diff --git a/src/pocketmine/block/Anvil.php b/src/pocketmine/block/Anvil.php
index 90111d3f2..cb3c9b367 100644
--- a/src/pocketmine/block/Anvil.php
+++ b/src/pocketmine/block/Anvil.php
@@ -26,6 +26,7 @@ namespace pocketmine\block;
 use pocketmine\inventory\AnvilInventory;
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\AxisAlignedBB;
 use pocketmine\math\Vector3;
@@ -107,7 +108,7 @@ class Anvil extends Fallable{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return [
 				ItemFactory::get($this->getItemId(), $this->getDamage() & 0x0c, 1)
 			];
diff --git a/src/pocketmine/block/Block.php b/src/pocketmine/block/Block.php
index 018325ba6..e136c1a4c 100644
--- a/src/pocketmine/block/Block.php
+++ b/src/pocketmine/block/Block.php
@@ -29,6 +29,7 @@ namespace pocketmine\block;
 use pocketmine\entity\Entity;
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\level\Level;
 use pocketmine\level\MovingObjectPosition;
@@ -230,19 +231,19 @@ class Block extends Position implements BlockIds, Metadatable{
 				($this->getToolType() === Tool::TYPE_SHOVEL and ($tier = $item->isShovel()) !== false)
 			){
 				switch($tier){
-					case Tool::TIER_WOODEN:
+					case TieredTool::TIER_WOODEN:
 						$base /= 2;
 						break;
-					case Tool::TIER_STONE:
+					case TieredTool::TIER_STONE:
 						$base /= 4;
 						break;
-					case Tool::TIER_IRON:
+					case TieredTool::TIER_IRON:
 						$base /= 6;
 						break;
-					case Tool::TIER_DIAMOND:
+					case TieredTool::TIER_DIAMOND:
 						$base /= 8;
 						break;
-					case Tool::TIER_GOLD:
+					case TieredTool::TIER_GOLD:
 						$base /= 12;
 						break;
 				}
diff --git a/src/pocketmine/block/BoneBlock.php b/src/pocketmine/block/BoneBlock.php
index 7a14513c3..a9cc91060 100644
--- a/src/pocketmine/block/BoneBlock.php
+++ b/src/pocketmine/block/BoneBlock.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\block\utils\PillarRotationHelper;
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\Player;
@@ -59,7 +60,7 @@ class BoneBlock extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Bricks.php b/src/pocketmine/block/Bricks.php
index d34141ae5..7182fe025 100644
--- a/src/pocketmine/block/Bricks.php
+++ b/src/pocketmine/block/Bricks.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Bricks extends Solid{
@@ -51,7 +52,7 @@ class Bricks extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/BurningFurnace.php b/src/pocketmine/block/BurningFurnace.php
index 6c396aff0..a33935262 100644
--- a/src/pocketmine/block/BurningFurnace.php
+++ b/src/pocketmine/block/BurningFurnace.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\nbt\tag\StringTag;
@@ -92,7 +93,7 @@ class BurningFurnace extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Coal.php b/src/pocketmine/block/Coal.php
index 423a20850..8fe8be38d 100644
--- a/src/pocketmine/block/Coal.php
+++ b/src/pocketmine/block/Coal.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Coal extends Solid{
@@ -47,7 +48,7 @@ class Coal extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/CoalOre.php b/src/pocketmine/block/CoalOre.php
index d352bb302..773307caa 100644
--- a/src/pocketmine/block/CoalOre.php
+++ b/src/pocketmine/block/CoalOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class CoalOre extends Solid{
@@ -48,7 +49,7 @@ class CoalOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return [
 				ItemFactory::get(Item::COAL, 0, 1)
 			];
diff --git a/src/pocketmine/block/Cobblestone.php b/src/pocketmine/block/Cobblestone.php
index 68a1c26b7..aa914cb98 100644
--- a/src/pocketmine/block/Cobblestone.php
+++ b/src/pocketmine/block/Cobblestone.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Cobblestone extends Solid{
@@ -47,7 +48,7 @@ class Cobblestone extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Concrete.php b/src/pocketmine/block/Concrete.php
index e2775d849..9c796cf22 100644
--- a/src/pocketmine/block/Concrete.php
+++ b/src/pocketmine/block/Concrete.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\block\utils\ColorBlockMetaHelper;
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Concrete extends Solid{
@@ -48,7 +49,7 @@ class Concrete extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Diamond.php b/src/pocketmine/block/Diamond.php
index 7420beebb..a98a36007 100644
--- a/src/pocketmine/block/Diamond.php
+++ b/src/pocketmine/block/Diamond.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Diamond extends Solid{
@@ -47,7 +48,7 @@ class Diamond extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/DiamondOre.php b/src/pocketmine/block/DiamondOre.php
index fd8e1c144..567751f94 100644
--- a/src/pocketmine/block/DiamondOre.php
+++ b/src/pocketmine/block/DiamondOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class DiamondOre extends Solid{
@@ -48,7 +49,7 @@ class DiamondOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return [
 				ItemFactory::get(Item::DIAMOND, 0, 1)
 			];
diff --git a/src/pocketmine/block/DoubleStoneSlab.php b/src/pocketmine/block/DoubleStoneSlab.php
index 438c45d74..52bcef8f5 100644
--- a/src/pocketmine/block/DoubleStoneSlab.php
+++ b/src/pocketmine/block/DoubleStoneSlab.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class DoubleStoneSlab extends DoubleSlab{
@@ -43,7 +44,7 @@ class DoubleStoneSlab extends DoubleSlab{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Emerald.php b/src/pocketmine/block/Emerald.php
index 80c4ebf3d..f944b57f3 100644
--- a/src/pocketmine/block/Emerald.php
+++ b/src/pocketmine/block/Emerald.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Emerald extends Solid{
@@ -47,7 +48,7 @@ class Emerald extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/EmeraldOre.php b/src/pocketmine/block/EmeraldOre.php
index 9e5549c8f..19e13102e 100644
--- a/src/pocketmine/block/EmeraldOre.php
+++ b/src/pocketmine/block/EmeraldOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class EmeraldOre extends Solid{
@@ -48,7 +49,7 @@ class EmeraldOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return [
 				ItemFactory::get(Item::EMERALD, 0, 1)
 			];
diff --git a/src/pocketmine/block/EnchantingTable.php b/src/pocketmine/block/EnchantingTable.php
index c991254cd..a2bb7a801 100644
--- a/src/pocketmine/block/EnchantingTable.php
+++ b/src/pocketmine/block/EnchantingTable.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\inventory\EnchantInventory;
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\Player;
@@ -74,7 +75,7 @@ class EnchantingTable extends Transparent{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/EndStoneBricks.php b/src/pocketmine/block/EndStoneBricks.php
index 9969175cf..b08d45a3f 100644
--- a/src/pocketmine/block/EndStoneBricks.php
+++ b/src/pocketmine/block/EndStoneBricks.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class EndStoneBricks extends Solid{
@@ -47,7 +48,7 @@ class EndStoneBricks extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/EnderChest.php b/src/pocketmine/block/EnderChest.php
index 67560bd80..06285ea29 100644
--- a/src/pocketmine/block/EnderChest.php
+++ b/src/pocketmine/block/EnderChest.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\Player;
@@ -98,7 +99,7 @@ class EnderChest extends Chest{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return [ItemFactory::get(Item::OBSIDIAN, 0, 8)];
 		}
 
diff --git a/src/pocketmine/block/GlazedTerracotta.php b/src/pocketmine/block/GlazedTerracotta.php
index 9365a5941..71d31c191 100644
--- a/src/pocketmine/block/GlazedTerracotta.php
+++ b/src/pocketmine/block/GlazedTerracotta.php
@@ -25,6 +25,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\Player;
@@ -58,7 +59,7 @@ class GlazedTerracotta extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Gold.php b/src/pocketmine/block/Gold.php
index 69a7bc286..26c2fb985 100644
--- a/src/pocketmine/block/Gold.php
+++ b/src/pocketmine/block/Gold.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Gold extends Solid{
@@ -47,7 +48,7 @@ class Gold extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/GoldOre.php b/src/pocketmine/block/GoldOre.php
index e5807d027..eae18b7e3 100644
--- a/src/pocketmine/block/GoldOre.php
+++ b/src/pocketmine/block/GoldOre.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class GoldOre extends Solid{
@@ -47,7 +48,7 @@ class GoldOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Iron.php b/src/pocketmine/block/Iron.php
index 8ab234d5e..66bccf4d0 100644
--- a/src/pocketmine/block/Iron.php
+++ b/src/pocketmine/block/Iron.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Iron extends Solid{
@@ -47,7 +48,7 @@ class Iron extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_STONE){
+		if($item->isPickaxe() >= TieredTool::TIER_STONE){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/IronBars.php b/src/pocketmine/block/IronBars.php
index 748d58f09..dca40a97d 100644
--- a/src/pocketmine/block/IronBars.php
+++ b/src/pocketmine/block/IronBars.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class IronBars extends Thin{
@@ -51,7 +52,7 @@ class IronBars extends Thin{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/IronDoor.php b/src/pocketmine/block/IronDoor.php
index a3b11694a..2af54e6a6 100644
--- a/src/pocketmine/block/IronDoor.php
+++ b/src/pocketmine/block/IronDoor.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class IronDoor extends Door{
@@ -49,7 +50,7 @@ class IronDoor extends Door{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/IronOre.php b/src/pocketmine/block/IronOre.php
index b0ab3bb46..54cf2672c 100644
--- a/src/pocketmine/block/IronOre.php
+++ b/src/pocketmine/block/IronOre.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class IronOre extends Solid{
@@ -47,7 +48,7 @@ class IronOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_STONE){
+		if($item->isPickaxe() >= TieredTool::TIER_STONE){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Lapis.php b/src/pocketmine/block/Lapis.php
index 0931708c1..afb13718b 100644
--- a/src/pocketmine/block/Lapis.php
+++ b/src/pocketmine/block/Lapis.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Lapis extends Solid{
@@ -47,7 +48,7 @@ class Lapis extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_STONE){
+		if($item->isPickaxe() >= TieredTool::TIER_STONE){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/LapisOre.php b/src/pocketmine/block/LapisOre.php
index a27220b98..8e1d4124b 100644
--- a/src/pocketmine/block/LapisOre.php
+++ b/src/pocketmine/block/LapisOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class LapisOre extends Solid{
@@ -48,7 +49,7 @@ class LapisOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_STONE){
+		if($item->isPickaxe() >= TieredTool::TIER_STONE){
 			return [
 				ItemFactory::get(Item::DYE, 4, mt_rand(4, 8))
 			];
diff --git a/src/pocketmine/block/Magma.php b/src/pocketmine/block/Magma.php
index 8cdb98147..44d522bce 100644
--- a/src/pocketmine/block/Magma.php
+++ b/src/pocketmine/block/Magma.php
@@ -27,6 +27,7 @@ use pocketmine\entity\Entity;
 use pocketmine\event\entity\EntityDamageByBlockEvent;
 use pocketmine\event\entity\EntityDamageEvent;
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Magma extends Solid{
@@ -65,7 +66,7 @@ class Magma extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/NetherBrick.php b/src/pocketmine/block/NetherBrick.php
index a1d7ef1a1..d32907a6f 100644
--- a/src/pocketmine/block/NetherBrick.php
+++ b/src/pocketmine/block/NetherBrick.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class NetherBrick extends Solid{
@@ -37,7 +38,7 @@ class NetherBrick extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/NetherBrickFence.php b/src/pocketmine/block/NetherBrickFence.php
index ac8a89aa7..ce1926e09 100644
--- a/src/pocketmine/block/NetherBrickFence.php
+++ b/src/pocketmine/block/NetherBrickFence.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class NetherBrickFence extends Fence{
@@ -43,7 +44,7 @@ class NetherBrickFence extends Fence{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/NetherQuartzOre.php b/src/pocketmine/block/NetherQuartzOre.php
index 97c95e25a..cbda5f05d 100644
--- a/src/pocketmine/block/NetherQuartzOre.php
+++ b/src/pocketmine/block/NetherQuartzOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class NetherQuartzOre extends Solid{
@@ -48,7 +49,7 @@ class NetherQuartzOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return [
 				ItemFactory::get(Item::QUARTZ, 0, 1)
 			];
diff --git a/src/pocketmine/block/NetherReactor.php b/src/pocketmine/block/NetherReactor.php
index 98038e5d9..353ab7036 100644
--- a/src/pocketmine/block/NetherReactor.php
+++ b/src/pocketmine/block/NetherReactor.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class NetherReactor extends Solid{
@@ -52,7 +53,7 @@ class NetherReactor extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return [
 				ItemFactory::get(Item::IRON_INGOT, 0, 6),
 				ItemFactory::get(Item::DIAMOND, 0, 3)
diff --git a/src/pocketmine/block/Netherrack.php b/src/pocketmine/block/Netherrack.php
index a8ebf6c6c..02fd8b700 100644
--- a/src/pocketmine/block/Netherrack.php
+++ b/src/pocketmine/block/Netherrack.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Netherrack extends Solid{
@@ -47,7 +48,7 @@ class Netherrack extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Obsidian.php b/src/pocketmine/block/Obsidian.php
index 1b817f3c4..cd697d4ec 100644
--- a/src/pocketmine/block/Obsidian.php
+++ b/src/pocketmine/block/Obsidian.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Obsidian extends Solid{
@@ -51,7 +52,7 @@ class Obsidian extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_DIAMOND){
+		if($item->isPickaxe() >= TieredTool::TIER_DIAMOND){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Prismarine.php b/src/pocketmine/block/Prismarine.php
index db741e100..7120477a1 100644
--- a/src/pocketmine/block/Prismarine.php
+++ b/src/pocketmine/block/Prismarine.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Prismarine extends Solid{
@@ -60,7 +61,7 @@ class Prismarine extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Quartz.php b/src/pocketmine/block/Quartz.php
index 2964cbaaf..67d35f6fd 100644
--- a/src/pocketmine/block/Quartz.php
+++ b/src/pocketmine/block/Quartz.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\block\utils\PillarRotationHelper;
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\Vector3;
 use pocketmine\Player;
@@ -70,7 +71,7 @@ class Quartz extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Redstone.php b/src/pocketmine/block/Redstone.php
index 357eb1a6f..36ef9c2cf 100644
--- a/src/pocketmine/block/Redstone.php
+++ b/src/pocketmine/block/Redstone.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Redstone extends Solid{
@@ -47,7 +48,7 @@ class Redstone extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/RedstoneOre.php b/src/pocketmine/block/RedstoneOre.php
index a56c231a1..6b398c4df 100644
--- a/src/pocketmine/block/RedstoneOre.php
+++ b/src/pocketmine/block/RedstoneOre.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\level\Level;
 use pocketmine\math\Vector3;
@@ -65,7 +66,7 @@ class RedstoneOre extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_IRON){
+		if($item->isPickaxe() >= TieredTool::TIER_IRON){
 			return [
 				ItemFactory::get(Item::REDSTONE_DUST, 0, mt_rand(4, 5))
 			];
diff --git a/src/pocketmine/block/Sandstone.php b/src/pocketmine/block/Sandstone.php
index 8b1b29c47..72b4ce493 100644
--- a/src/pocketmine/block/Sandstone.php
+++ b/src/pocketmine/block/Sandstone.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Sandstone extends Solid{
@@ -60,7 +61,7 @@ class Sandstone extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Stair.php b/src/pocketmine/block/Stair.php
index a4427d1bb..8e359fc61 100644
--- a/src/pocketmine/block/Stair.php
+++ b/src/pocketmine/block/Stair.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 use pocketmine\math\AxisAlignedBB;
 use pocketmine\math\Vector3;
@@ -104,7 +105,7 @@ abstract class Stair extends Transparent{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Stone.php b/src/pocketmine/block/Stone.php
index cf38f27e2..32ec2ab93 100644
--- a/src/pocketmine/block/Stone.php
+++ b/src/pocketmine/block/Stone.php
@@ -25,6 +25,7 @@ namespace pocketmine\block;
 
 use pocketmine\item\Item;
 use pocketmine\item\ItemFactory;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Stone extends Solid{
@@ -64,7 +65,7 @@ class Stone extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			if($this->getDamage() === self::NORMAL){
 				return [
 					ItemFactory::get(Item::COBBLESTONE, $this->getDamage(), 1)
diff --git a/src/pocketmine/block/StoneBricks.php b/src/pocketmine/block/StoneBricks.php
index f873f26ab..3134126ad 100644
--- a/src/pocketmine/block/StoneBricks.php
+++ b/src/pocketmine/block/StoneBricks.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class StoneBricks extends Solid{
@@ -57,7 +58,7 @@ class StoneBricks extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/StoneSlab.php b/src/pocketmine/block/StoneSlab.php
index df6a87d5b..44517c237 100644
--- a/src/pocketmine/block/StoneSlab.php
+++ b/src/pocketmine/block/StoneSlab.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class StoneSlab extends Slab{
@@ -65,7 +66,7 @@ class StoneSlab extends Slab{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/block/Stonecutter.php b/src/pocketmine/block/Stonecutter.php
index 4b504ae6e..328eb7572 100644
--- a/src/pocketmine/block/Stonecutter.php
+++ b/src/pocketmine/block/Stonecutter.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\item\Item;
+use pocketmine\item\TieredTool;
 use pocketmine\item\Tool;
 
 class Stonecutter extends Solid{
@@ -43,7 +44,7 @@ class Stonecutter extends Solid{
 	}
 
 	public function getDrops(Item $item) : array{
-		if($item->isPickaxe() >= Tool::TIER_WOODEN){
+		if($item->isPickaxe() >= TieredTool::TIER_WOODEN){
 			return parent::getDrops($item);
 		}
 
diff --git a/src/pocketmine/item/IronAxe.php b/src/pocketmine/item/Axe.php
similarity index 82%
rename from src/pocketmine/item/IronAxe.php
rename to src/pocketmine/item/Axe.php
index 74ff6aadf..83b632bd1 100644
--- a/src/pocketmine/item/IronAxe.php
+++ b/src/pocketmine/item/Axe.php
@@ -23,17 +23,13 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
-
-class IronAxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::IRON_AXE, $meta, "Iron Axe");
-	}
+class Axe extends TieredTool{
 
 	public function isAxe(){
-		return Tool::TIER_IRON;
+		return $this->tier;
 	}
 
 	public function getAttackPoints() : int{
-		return 6;
+		return self::getBaseDamageFromTier($this->tier) - 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/DiamondAxe.php b/src/pocketmine/item/DiamondAxe.php
deleted file mode 100644
index 7904cd470..000000000
--- a/src/pocketmine/item/DiamondAxe.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class DiamondAxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::DIAMOND_AXE, $meta, "Diamond Axe");
-	}
-
-	public function isAxe(){
-		return Tool::TIER_DIAMOND;
-	}
-
-	public function getAttackPoints() : int{
-		return 7;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/DiamondHoe.php b/src/pocketmine/item/DiamondHoe.php
deleted file mode 100644
index f9414496c..000000000
--- a/src/pocketmine/item/DiamondHoe.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class DiamondHoe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::DIAMOND_HOE, $meta, "Diamond Hoe");
-	}
-
-	public function isHoe(){
-		return Tool::TIER_DIAMOND;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/DiamondPickaxe.php b/src/pocketmine/item/DiamondPickaxe.php
deleted file mode 100644
index 915409493..000000000
--- a/src/pocketmine/item/DiamondPickaxe.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class DiamondPickaxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::DIAMOND_PICKAXE, $meta, "Diamond Pickaxe");
-	}
-
-	public function isPickaxe(){
-		return Tool::TIER_DIAMOND;
-	}
-
-	public function getAttackPoints() : int{
-		return 6;
-	}
-}
diff --git a/src/pocketmine/item/DiamondShovel.php b/src/pocketmine/item/DiamondShovel.php
deleted file mode 100644
index 64c0ef459..000000000
--- a/src/pocketmine/item/DiamondShovel.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class DiamondShovel extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::DIAMOND_SHOVEL, $meta, "Diamond Shovel");
-	}
-
-	public function isShovel(){
-		return Tool::TIER_DIAMOND;
-	}
-
-	public function getAttackPoints() : int{
-		return 5;
-	}
-}
diff --git a/src/pocketmine/item/DiamondSword.php b/src/pocketmine/item/DiamondSword.php
deleted file mode 100644
index 0205ca4b3..000000000
--- a/src/pocketmine/item/DiamondSword.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class DiamondSword extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::DIAMOND_SWORD, $meta, "Diamond Sword");
-	}
-
-	public function isSword(){
-		return Tool::TIER_DIAMOND;
-	}
-
-	public function getAttackPoints() : int{
-		return 8;
-	}
-}
diff --git a/src/pocketmine/item/GoldAxe.php b/src/pocketmine/item/GoldAxe.php
deleted file mode 100644
index ed363f735..000000000
--- a/src/pocketmine/item/GoldAxe.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class GoldAxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::GOLD_AXE, $meta, "Gold Axe");
-	}
-
-	public function isAxe(){
-		return Tool::TIER_GOLD;
-	}
-
-	public function getAttackPoints() : int{
-		return 4;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/GoldHoe.php b/src/pocketmine/item/GoldHoe.php
deleted file mode 100644
index f0b66bd63..000000000
--- a/src/pocketmine/item/GoldHoe.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class GoldHoe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::GOLD_HOE, $meta, "Gold Hoe");
-	}
-
-	public function isHoe(){
-		return Tool::TIER_GOLD;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/GoldPickaxe.php b/src/pocketmine/item/GoldPickaxe.php
deleted file mode 100644
index 56bb1f8f9..000000000
--- a/src/pocketmine/item/GoldPickaxe.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class GoldPickaxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::GOLD_PICKAXE, $meta, "Gold Pickaxe");
-	}
-
-	public function isPickaxe(){
-		return Tool::TIER_GOLD;
-	}
-
-	public function getAttackPoints() : int{
-		return 3;
-	}
-}
diff --git a/src/pocketmine/item/GoldShovel.php b/src/pocketmine/item/GoldShovel.php
deleted file mode 100644
index 5a2341516..000000000
--- a/src/pocketmine/item/GoldShovel.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class GoldShovel extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::GOLD_SHOVEL, $meta, "Gold Shovel");
-	}
-
-	public function isShovel(){
-		return Tool::TIER_GOLD;
-	}
-
-	public function getAttackPoints() : int{
-		return 2;
-	}
-}
diff --git a/src/pocketmine/item/GoldSword.php b/src/pocketmine/item/GoldSword.php
deleted file mode 100644
index f7668f6a5..000000000
--- a/src/pocketmine/item/GoldSword.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class GoldSword extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::GOLD_SWORD, $meta, "Gold Sword");
-	}
-
-	public function isSword(){
-		return Tool::TIER_GOLD;
-	}
-
-	public function getAttackPoints() : int{
-		return 5;
-	}
-}
diff --git a/src/pocketmine/item/IronHoe.php b/src/pocketmine/item/Hoe.php
similarity index 83%
rename from src/pocketmine/item/IronHoe.php
rename to src/pocketmine/item/Hoe.php
index 02205d607..4fa781d61 100644
--- a/src/pocketmine/item/IronHoe.php
+++ b/src/pocketmine/item/Hoe.php
@@ -23,13 +23,10 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
-
-class IronHoe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::IRON_HOE, $meta, "Iron Hoe");
-	}
+class Hoe extends TieredTool{
 
 	public function isHoe(){
-		return Tool::TIER_IRON;
+		return $this->tier;
 	}
+
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/ItemFactory.php b/src/pocketmine/item/ItemFactory.php
index 612359327..81f06d0e2 100644
--- a/src/pocketmine/item/ItemFactory.php
+++ b/src/pocketmine/item/ItemFactory.php
@@ -39,9 +39,9 @@ class ItemFactory{
 		if(self::$list === null){
 			self::$list = new \SplFixedArray(65536);
 
-			self::registerItem(new IronShovel());
-			self::registerItem(new IronPickaxe());
-			self::registerItem(new IronAxe());
+			self::registerItem(new Shovel(Item::IRON_SHOVEL, 0, "Iron Shovel", TieredTool::TIER_IRON));
+			self::registerItem(new Pickaxe(Item::IRON_PICKAXE, 0, "Iron Pickaxe", TieredTool::TIER_IRON));
+			self::registerItem(new Axe(Item::IRON_AXE, 0, "Iron Axe", TieredTool::TIER_IRON));
 			self::registerItem(new FlintSteel());
 			self::registerItem(new Apple());
 			self::registerItem(new Bow());
@@ -50,34 +50,34 @@ class ItemFactory{
 			self::registerItem(new Item(Item::DIAMOND, 0, "Diamond"));
 			self::registerItem(new Item(Item::IRON_INGOT, 0, "Iron Ingot"));
 			self::registerItem(new Item(Item::GOLD_INGOT, 0, "Gold Ingot"));
-			self::registerItem(new IronSword());
+			self::registerItem(new Sword(Item::IRON_SWORD, 0, "Iron Sword", TieredTool::TIER_IRON));
 			self::registerItem(new WoodenSword());
 			self::registerItem(new WoodenShovel());
 			self::registerItem(new WoodenPickaxe());
 			self::registerItem(new WoodenAxe());
-			self::registerItem(new StoneSword());
-			self::registerItem(new StoneShovel());
-			self::registerItem(new StonePickaxe());
-			self::registerItem(new StoneAxe());
-			self::registerItem(new DiamondSword());
-			self::registerItem(new DiamondShovel());
-			self::registerItem(new DiamondPickaxe());
-			self::registerItem(new DiamondAxe());
+			self::registerItem(new Sword(Item::STONE_SWORD, 0, "Stone Sword", TieredTool::TIER_STONE));
+			self::registerItem(new Shovel(Item::STONE_SHOVEL, 0, "Stone Shovel", TieredTool::TIER_STONE));
+			self::registerItem(new Pickaxe(Item::STONE_PICKAXE, 0, "Stone Pickaxe", TieredTool::TIER_STONE));
+			self::registerItem(new Axe(Item::STONE_AXE, 0, "Stone Axe", TieredTool::TIER_STONE));
+			self::registerItem(new Sword(Item::DIAMOND_SWORD, 0, "Diamond Sword", TieredTool::TIER_DIAMOND));
+			self::registerItem(new Shovel(Item::DIAMOND_SHOVEL, 0, "Diamond Shovel", TieredTool::TIER_DIAMOND));
+			self::registerItem(new Pickaxe(Item::DIAMOND_PICKAXE, 0, "Diamond Pickaxe", TieredTool::TIER_DIAMOND));
+			self::registerItem(new Axe(Item::DIAMOND_AXE, 0, "Diamond Axe", TieredTool::TIER_DIAMOND));
 			self::registerItem(new Stick());
 			self::registerItem(new Bowl());
 			self::registerItem(new MushroomStew());
-			self::registerItem(new GoldSword());
-			self::registerItem(new GoldShovel());
-			self::registerItem(new GoldPickaxe());
-			self::registerItem(new GoldAxe());
+			self::registerItem(new Sword(Item::GOLDEN_SWORD, 0, "Gold Sword", TieredTool::TIER_GOLD));
+			self::registerItem(new Shovel(Item::GOLDEN_SHOVEL, 0, "Gold Shovel", TieredTool::TIER_GOLD));
+			self::registerItem(new Pickaxe(Item::GOLDEN_PICKAXE, 0, "Gold Pickaxe", TieredTool::TIER_GOLD));
+			self::registerItem(new Axe(Item::GOLDEN_AXE, 0, "Gold Axe", TieredTool::TIER_GOLD));
 			self::registerItem(new StringItem());
 			self::registerItem(new Item(Item::FEATHER, 0, "Feather"));
 			self::registerItem(new Item(Item::GUNPOWDER, 0, "Gunpowder"));
-			self::registerItem(new WoodenHoe());
-			self::registerItem(new StoneHoe());
-			self::registerItem(new IronHoe());
-			self::registerItem(new DiamondHoe());
-			self::registerItem(new GoldHoe());
+			self::registerItem(new Hoe(Item::WOODEN_HOE, 0, "Wooden Hoe", TieredTool::TIER_WOODEN));
+			self::registerItem(new Hoe(Item::STONE_HOE, 0, "Stone Hoe", TieredTool::TIER_STONE));
+			self::registerItem(new Hoe(Item::IRON_HOE, 0, "Iron Hoe", TieredTool::TIER_IRON));
+			self::registerItem(new Hoe(Item::DIAMOND_HOE, 0, "Diamond Hoe", TieredTool::TIER_DIAMOND));
+			self::registerItem(new Hoe(Item::GOLDEN_HOE, 0, "Golden Hoe", TieredTool::TIER_GOLD));
 			self::registerItem(new WheatSeeds());
 			self::registerItem(new Item(Item::WHEAT, 0, "Wheat"));
 			self::registerItem(new Bread());
diff --git a/src/pocketmine/item/IronPickaxe.php b/src/pocketmine/item/Pickaxe.php
similarity index 82%
rename from src/pocketmine/item/IronPickaxe.php
rename to src/pocketmine/item/Pickaxe.php
index fc87f33ca..4e59d81af 100644
--- a/src/pocketmine/item/IronPickaxe.php
+++ b/src/pocketmine/item/Pickaxe.php
@@ -23,17 +23,13 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
-
-class IronPickaxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::IRON_PICKAXE, $meta, "Iron Pickaxe");
-	}
+class Pickaxe extends TieredTool{
 
 	public function isPickaxe(){
-		return Tool::TIER_IRON;
+		return $this->tier;
 	}
 
 	public function getAttackPoints() : int{
-		return 5;
+		return self::getBaseDamageFromTier($this->tier) - 2;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/IronShovel.php b/src/pocketmine/item/Shovel.php
similarity index 82%
rename from src/pocketmine/item/IronShovel.php
rename to src/pocketmine/item/Shovel.php
index b2d7cbec6..781f742ad 100644
--- a/src/pocketmine/item/IronShovel.php
+++ b/src/pocketmine/item/Shovel.php
@@ -23,17 +23,13 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
-
-class IronShovel extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::IRON_SHOVEL, $meta, "Iron Shovel");
-	}
+class Shovel extends TieredTool{
 
 	public function isShovel(){
-		return Tool::TIER_IRON;
+		return $this->tier;
 	}
 
 	public function getAttackPoints() : int{
-		return 4;
+		return self::getBaseDamageFromTier($this->tier) - 3;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/StoneAxe.php b/src/pocketmine/item/StoneAxe.php
deleted file mode 100644
index 6e9d14137..000000000
--- a/src/pocketmine/item/StoneAxe.php
+++ /dev/null
@@ -1,40 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class StoneAxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::STONE_AXE, $meta, "Stone Axe");
-	}
-
-
-	public function isAxe(){
-		return Tool::TIER_STONE;
-	}
-
-	public function getAttackPoints() : int{
-		return 5;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/StoneHoe.php b/src/pocketmine/item/StoneHoe.php
deleted file mode 100644
index 1185f64b9..000000000
--- a/src/pocketmine/item/StoneHoe.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class StoneHoe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::STONE_HOE, $meta, "Stone Hoe");
-	}
-
-	public function isHoe(){
-		return Tool::TIER_STONE;
-	}
-}
\ No newline at end of file
diff --git a/src/pocketmine/item/StonePickaxe.php b/src/pocketmine/item/StonePickaxe.php
deleted file mode 100644
index 4a904cee5..000000000
--- a/src/pocketmine/item/StonePickaxe.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class StonePickaxe extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::STONE_PICKAXE, $meta, "Stone Pickaxe");
-	}
-
-	public function isPickaxe(){
-		return Tool::TIER_STONE;
-	}
-
-	public function getAttackPoints() : int{
-		return 4;
-	}
-}
diff --git a/src/pocketmine/item/StoneShovel.php b/src/pocketmine/item/StoneShovel.php
deleted file mode 100644
index 918a642b2..000000000
--- a/src/pocketmine/item/StoneShovel.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class StoneShovel extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::STONE_SHOVEL, $meta, "Stone Shovel");
-	}
-
-	public function isShovel(){
-		return Tool::TIER_STONE;
-	}
-
-	public function getAttackPoints() : int{
-		return 3;
-	}
-}
diff --git a/src/pocketmine/item/StoneSword.php b/src/pocketmine/item/StoneSword.php
deleted file mode 100644
index 8084eb5fb..000000000
--- a/src/pocketmine/item/StoneSword.php
+++ /dev/null
@@ -1,39 +0,0 @@
-<?php
-
-/*
- *
- *  ____            _        _   __  __ _                  __  __ ____
- * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
- * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
- * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
- * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * @author PocketMine Team
- * @link http://www.pocketmine.net/
- *
- *
-*/
-
-declare(strict_types=1);
-
-namespace pocketmine\item;
-
-
-class StoneSword extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::STONE_SWORD, $meta, "Stone Sword");
-	}
-
-	public function isSword(){
-		return Tool::TIER_STONE;
-	}
-
-	public function getAttackPoints() : int{
-		return 6;
-	}
-}
diff --git a/src/pocketmine/item/IronSword.php b/src/pocketmine/item/Sword.php
similarity index 82%
rename from src/pocketmine/item/IronSword.php
rename to src/pocketmine/item/Sword.php
index f3ca369b4..6eb17fb81 100644
--- a/src/pocketmine/item/IronSword.php
+++ b/src/pocketmine/item/Sword.php
@@ -23,17 +23,14 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
-
-class IronSword extends Tool{
-	public function __construct(int $meta = 0){
-		parent::__construct(self::IRON_SWORD, $meta, "Iron Sword");
-	}
+class Sword extends TieredTool{
 
 	public function isSword(){
-		return Tool::TIER_IRON;
+		return $this->tier;
 	}
 
 	public function getAttackPoints() : int{
-		return 7;
+		return self::getBaseDamageFromTier($this->tier);
 	}
+
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/TieredTool.php b/src/pocketmine/item/TieredTool.php
new file mode 100644
index 000000000..7401d457c
--- /dev/null
+++ b/src/pocketmine/item/TieredTool.php
@@ -0,0 +1,76 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\item;
+
+abstract class TieredTool extends Tool{
+	public const TIER_WOODEN = 1;
+	public const TIER_GOLD = 2;
+	public const TIER_STONE = 3;
+	public const TIER_IRON = 4;
+	public const TIER_DIAMOND = 5;
+
+	/** @var int */
+	protected $tier;
+
+	public function __construct(int $id, int $meta, string $name, int $tier){
+		parent::__construct($id, $meta, $name);
+		$this->tier = $tier;
+	}
+
+	public function getMaxDurability(){
+		return self::getDurabilityFromTier($this->tier);
+	}
+
+	public static function getDurabilityFromTier(int $tier) : int{
+		static $levels = [
+			self::TIER_GOLD => 33,
+			self::TIER_WOODEN => 60,
+			self::TIER_STONE => 132,
+			self::TIER_IRON => 251,
+			self::TIER_DIAMOND => 1562
+		];
+
+		if(!isset($levels[$tier])){
+			throw new \InvalidArgumentException("Unknown tier '$tier'");
+		}
+
+		return $levels[$tier];
+	}
+
+	protected static function getBaseDamageFromTier(int $tier) : int{
+		static $levels = [
+			self::TIER_WOODEN => 5,
+			self::TIER_GOLD => 5,
+			self::TIER_STONE => 6,
+			self::TIER_IRON => 7,
+			self::TIER_DIAMOND => 8
+		];
+
+		if(!isset($levels[$tier])){
+			throw new \InvalidArgumentException("Unknown tier '$tier'");
+		}
+
+		return $levels[$tier];
+	}
+}
\ No newline at end of file
diff --git a/src/pocketmine/item/Tool.php b/src/pocketmine/item/Tool.php
index 42b83b88d..7c96e1528 100644
--- a/src/pocketmine/item/Tool.php
+++ b/src/pocketmine/item/Tool.php
@@ -27,11 +27,6 @@ use pocketmine\block\Block;
 use pocketmine\entity\Entity;
 
 abstract class Tool extends Durable{
-	public const TIER_WOODEN = 1;
-	public const TIER_GOLD = 2;
-	public const TIER_STONE = 3;
-	public const TIER_IRON = 4;
-	public const TIER_DIAMOND = 5;
 
 	public const TYPE_NONE = 0;
 	public const TYPE_SWORD = 1;
@@ -81,36 +76,6 @@ abstract class Tool extends Durable{
 		return true;
 	}
 
-	/**
-	 * TODO: Move this to each item
-	 *
-	 * @return int|bool
-	 */
-	public function getMaxDurability(){
-
-		$levels = [
-			Tool::TIER_GOLD => 33,
-			Tool::TIER_WOODEN => 60,
-			Tool::TIER_STONE => 132,
-			Tool::TIER_IRON => 251,
-			Tool::TIER_DIAMOND => 1562
-		];
-
-		if(($type = $this->isPickaxe()) === false){
-			if(($type = $this->isAxe()) === false){
-				if(($type = $this->isSword()) === false){
-					if(($type = $this->isShovel()) === false){
-						if(($type = $this->isHoe()) === false){
-							return false;
-						}
-					}
-				}
-			}
-		}
-
-		return $levels[$type];
-	}
-
 	public function isTool(){
 		return true;
 	}
diff --git a/src/pocketmine/item/WoodenAxe.php b/src/pocketmine/item/WoodenAxe.php
index 8cb28d2fb..91cf038fc 100644
--- a/src/pocketmine/item/WoodenAxe.php
+++ b/src/pocketmine/item/WoodenAxe.php
@@ -24,20 +24,16 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 
-class WoodenAxe extends Tool{
+class WoodenAxe extends Axe{
 	public function __construct(int $meta = 0){
-		parent::__construct(self::WOODEN_AXE, $meta, "Wooden Axe");
+		parent::__construct(self::WOODEN_AXE, $meta, "Wooden Axe", self::TIER_WOODEN);
 	}
 
 	public function isAxe(){
-		return Tool::TIER_WOODEN;
+		return self::TIER_WOODEN;
 	}
 
 	public function getFuelTime() : int{
 		return 200;
 	}
-
-	public function getAttackPoints() : int{
-		return 4;
-	}
 }
diff --git a/src/pocketmine/item/WoodenHoe.php b/src/pocketmine/item/WoodenHoe.php
index ab2faa729..1ee24575c 100644
--- a/src/pocketmine/item/WoodenHoe.php
+++ b/src/pocketmine/item/WoodenHoe.php
@@ -24,13 +24,13 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 
-class WoodenHoe extends Tool{
+class WoodenHoe extends Hoe{
 	public function __construct(int $meta = 0){
-		parent::__construct(self::WOODEN_HOE, $meta, "Wooden Hoe");
+		parent::__construct(self::WOODEN_HOE, $meta, "Wooden Hoe", self::TIER_WOODEN);
 	}
 
 	public function isHoe(){
-		return Tool::TIER_WOODEN;
+		return self::TIER_WOODEN;
 	}
 
 	public function getFuelTime() : int{
diff --git a/src/pocketmine/item/WoodenPickaxe.php b/src/pocketmine/item/WoodenPickaxe.php
index a2df1dc71..bc39570f2 100644
--- a/src/pocketmine/item/WoodenPickaxe.php
+++ b/src/pocketmine/item/WoodenPickaxe.php
@@ -24,20 +24,16 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 
-class WoodenPickaxe extends Tool{
+class WoodenPickaxe extends Pickaxe{
 	public function __construct(int $meta = 0){
-		parent::__construct(self::WOODEN_PICKAXE, $meta, "Wooden Pickaxe");
+		parent::__construct(self::WOODEN_PICKAXE, $meta, "Wooden Pickaxe", self::TIER_WOODEN);
 	}
 
 	public function isPickaxe(){
-		return Tool::TIER_WOODEN;
+		return self::TIER_WOODEN;
 	}
 
 	public function getFuelTime() : int{
 		return 200;
 	}
-
-	public function getAttackPoints() : int{
-		return 3;
-	}
 }
diff --git a/src/pocketmine/item/WoodenShovel.php b/src/pocketmine/item/WoodenShovel.php
index 8582ba97f..2aa457f2b 100644
--- a/src/pocketmine/item/WoodenShovel.php
+++ b/src/pocketmine/item/WoodenShovel.php
@@ -24,20 +24,16 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 
-class WoodenShovel extends Tool{
+class WoodenShovel extends Shovel{
 	public function __construct(int $meta = 0){
-		parent::__construct(self::WOODEN_SHOVEL, $meta, "Wooden Shovel");
+		parent::__construct(self::WOODEN_SHOVEL, $meta, "Wooden Shovel", self::TIER_WOODEN);
 	}
 
 	public function isShovel(){
-		return Tool::TIER_WOODEN;
+		return self::TIER_WOODEN;
 	}
 
 	public function getFuelTime() : int{
 		return 200;
 	}
-
-	public function getAttackPoints() : int{
-		return 2;
-	}
 }
diff --git a/src/pocketmine/item/WoodenSword.php b/src/pocketmine/item/WoodenSword.php
index 37d9ccfa7..10147c270 100644
--- a/src/pocketmine/item/WoodenSword.php
+++ b/src/pocketmine/item/WoodenSword.php
@@ -24,20 +24,16 @@ declare(strict_types=1);
 namespace pocketmine\item;
 
 
-class WoodenSword extends Tool{
+class WoodenSword extends Sword{
 	public function __construct(int $meta = 0){
-		parent::__construct(self::WOODEN_SWORD, $meta, "Wooden Sword");
+		parent::__construct(self::WOODEN_SWORD, $meta, "Wooden Sword", self::TIER_WOODEN);
 	}
 
 	public function isSword(){
-		return Tool::TIER_WOODEN;
+		return self::TIER_WOODEN;
 	}
 
 	public function getFuelTime() : int{
 		return 200;
 	}
-
-	public function getAttackPoints() : int{
-		return 5;
-	}
 }