diff --git a/build.properties b/build.properties
index aba5803b247..04a622964c7 100644
--- a/build.properties
+++ b/build.properties
@@ -1,6 +1,6 @@
 minecraft_version=1.6.4
 forge_version=9.11.1.964
-mantle_version=40158a
+mantle_version=a2891a
 FMP_version=1.0.0.211
 CCLIB_version=1.0.0.44
 NEI_version=1.6.1.8
diff --git a/src/main/java/tconstruct/items/blocks/CastingChannelItem.java b/src/main/java/tconstruct/items/blocks/CastingChannelItem.java
index 401beda2dd6..7c8db3e6487 100644
--- a/src/main/java/tconstruct/items/blocks/CastingChannelItem.java
+++ b/src/main/java/tconstruct/items/blocks/CastingChannelItem.java
@@ -1,33 +1,16 @@
 package tconstruct.items.blocks;
 
-import java.util.List;
+import mantle.blocks.abstracts.MultiItemBlock;
 
-import cpw.mods.fml.relauncher.Side;
-import cpw.mods.fml.relauncher.SideOnly;
-import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.ItemBlock;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.MathHelper;
-
-public class CastingChannelItem extends ItemBlock
+public class CastingChannelItem extends MultiItemBlock
 {
-    public static final String blockType[] = { "Channel" };
+    public static final String blockTypes[] = { "Channel" };
 
     public CastingChannelItem(int id)
     {
-        super(id);
+        super(id, "Smeltery", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("Smeltery.").append(blockType[pos]).toString();
-    }
 }
diff --git a/src/main/java/tconstruct/items/blocks/CraftedSoilItemBlock.java b/src/main/java/tconstruct/items/blocks/CraftedSoilItemBlock.java
index 2993737d884..51ec02464e6 100644
--- a/src/main/java/tconstruct/items/blocks/CraftedSoilItemBlock.java
+++ b/src/main/java/tconstruct/items/blocks/CraftedSoilItemBlock.java
@@ -4,34 +4,30 @@
 
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.MathHelper;
 import net.minecraft.util.StatCollector;
 
-public class CraftedSoilItemBlock extends ItemBlock
+public class CraftedSoilItemBlock extends MultiItemBlock
 {
-    public static final String blockType[] = { "Slime", "Grout", "BlueSlime", "GraveyardSoil", "ConsecratedSoil", "blue", "dirt", "Grout" };
+    public static final String blockTypes[] = { "Slime", "Grout", "BlueSlime", "GraveyardSoil", "ConsecratedSoil", "blue", "dirt", "Grout" };
 
     public CraftedSoilItemBlock(int id)
     {
-        super(id);
+        super(id, "CraftedSoil", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
+    @Override
     public String getUnlocalizedName (ItemStack itemstack)
     {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
+        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, this.blockType.length - 1);
         if (pos <= 4)
-            return (new StringBuilder()).append("CraftedSoil.").append(blockType[pos]).toString();
-        return (new StringBuilder()).append("block.slime.soil.").append(blockType[pos]).toString();
+            return super.getUnlocalizedName(itemstack);
+        return (new StringBuilder()).append("block.slime.soil.").append(this.blockType[pos]).toString();
     }
 
     @Override
diff --git a/src/main/java/tconstruct/items/blocks/CraftingSlabItemBlock.java b/src/main/java/tconstruct/items/blocks/CraftingSlabItemBlock.java
index f4668fe71eb..ffb21732460 100644
--- a/src/main/java/tconstruct/items/blocks/CraftingSlabItemBlock.java
+++ b/src/main/java/tconstruct/items/blocks/CraftingSlabItemBlock.java
@@ -1,33 +1,28 @@
 package tconstruct.items.blocks;
 
-import net.minecraft.item.ItemBlock;
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.MathHelper;
 
-public class CraftingSlabItemBlock extends ItemBlock
+public class CraftingSlabItemBlock extends MultiItemBlock
 {
-    public static final String blockType[] = { "tile.CraftingStation", "Crafter", "Parts", "PatternShaper", "PatternChest", "tile.ToolForge" };
+    public static final String blockTypes[] = { "tile.CraftingStation", "Crafter", "Parts", "PatternShaper", "PatternChest", "tile.ToolForge" };
 
     public CraftingSlabItemBlock(int id)
     {
-        super(id);
+        super(id, "ToolStation", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
     @Override
     public String getUnlocalizedName (ItemStack itemstack)
     {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
+        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, this.blockType.length - 1);
         if (pos == 0 || pos == 5)
         {
-            return blockType[pos];
+            return this.blockType[pos];
         }
-        return (new StringBuilder()).append("ToolStation.").append(blockType[pos]).toString();
+        return super.getUnlocalizedName(itemstack);
     }
 }
diff --git a/src/main/java/tconstruct/items/blocks/GlassBlockItem.java b/src/main/java/tconstruct/items/blocks/GlassBlockItem.java
index 29546b1c6b0..2dbf89dc9e6 100644
--- a/src/main/java/tconstruct/items/blocks/GlassBlockItem.java
+++ b/src/main/java/tconstruct/items/blocks/GlassBlockItem.java
@@ -2,34 +2,22 @@
 
 import java.util.List;
 
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
-import net.minecraft.util.MathHelper;
 
-public class GlassBlockItem extends ItemBlock
+public class GlassBlockItem extends MultiItemBlock
 {
-    public static final String blockType[] = { "glass.pure" };//, "glass.soul", "glass.soul.pure" };
+    public static final String blockTypes[] = { "pure" };//, "soul", "soul.pure" };
 
     public GlassBlockItem(int id)
     {
-        super(id);
+        super(id, "block.glass", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("block.").append(blockType[pos]).toString();
-    }
-
     public void addInformation (ItemStack stack, EntityPlayer player, List list, boolean par4)
     {
         if (stack.hasTagCompound() && stack.getItemDamage() == 0)
diff --git a/src/main/java/tconstruct/items/blocks/GlassPaneItem.java b/src/main/java/tconstruct/items/blocks/GlassPaneItem.java
index 00edd252476..767ebd7b06c 100644
--- a/src/main/java/tconstruct/items/blocks/GlassPaneItem.java
+++ b/src/main/java/tconstruct/items/blocks/GlassPaneItem.java
@@ -1,28 +1,16 @@
 package tconstruct.items.blocks;
 
-import net.minecraft.item.ItemBlock;
-import net.minecraft.item.ItemStack;
-import net.minecraft.util.MathHelper;
+import mantle.blocks.abstracts.MultiItemBlock;
 
-public class GlassPaneItem extends ItemBlock
+public class GlassPaneItem extends MultiItemBlock
 {
-    public static final String blockType[] = { "glass.pure", "glass.soul", "glass.soul.pure" };
+    public static final String blockTypes[] = { "pure.pane", "soul.pane", "soul.pure.pane" };
 
     public GlassPaneItem(int id)
     {
-        super(id);
+        super(id, "block.glass", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("block.").append(blockType[pos]).append(".pane").toString();
-    }
 }
diff --git a/src/main/java/tconstruct/items/blocks/GravelOreItem.java b/src/main/java/tconstruct/items/blocks/GravelOreItem.java
index 2bca15dbd52..2e3067c7d89 100644
--- a/src/main/java/tconstruct/items/blocks/GravelOreItem.java
+++ b/src/main/java/tconstruct/items/blocks/GravelOreItem.java
@@ -1,28 +1,19 @@
 package tconstruct.items.blocks;
 
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.MathHelper;
 
-public class GravelOreItem extends ItemBlock
+public class GravelOreItem extends MultiItemBlock
 {
-    public static final String blockType[] = { "iron", "gold", "copper", "tin", "aluminum", "cobalt" };
+    public static final String blockTypes[] = { "iron", "gold", "copper", "tin", "aluminum", "cobalt" };
 
     public GravelOreItem(int id)
     {
-        super(id);
+        super(id, "block.ore.gravel", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("block.ore.gravel.").append(blockType[pos]).toString();
-    }
 }
diff --git a/src/main/java/tconstruct/items/blocks/LavaTankItemBlock.java b/src/main/java/tconstruct/items/blocks/LavaTankItemBlock.java
index 1c20c2ebc06..93b4ac87b63 100644
--- a/src/main/java/tconstruct/items/blocks/LavaTankItemBlock.java
+++ b/src/main/java/tconstruct/items/blocks/LavaTankItemBlock.java
@@ -2,6 +2,7 @@
 
 import java.util.List;
 
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.entity.player.EntityPlayer;
 import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
@@ -9,27 +10,18 @@
 import net.minecraft.util.MathHelper;
 import net.minecraft.util.StatCollector;
 
-public class LavaTankItemBlock extends ItemBlock
+public class LavaTankItemBlock extends MultiItemBlock
 {
-    public static final String blockType[] = { "Tank", "Gague", "Window" };
+    public static final String blockTypes[] = { "Tank", "Gague", "Window" };
 
     public LavaTankItemBlock(int id)
     {
-        super(id);
+        super(id, "LavaTank", blockTypes);
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
 
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("LavaTank.").append(blockType[pos]).toString();
-    }
 
     public void addInformation (ItemStack stack, EntityPlayer player, List list, boolean par4)
     {
diff --git a/src/main/java/tconstruct/items/blocks/SoilSlabItem.java b/src/main/java/tconstruct/items/blocks/SoilSlabItem.java
index 92f3e3d02b8..45b5449d17d 100644
--- a/src/main/java/tconstruct/items/blocks/SoilSlabItem.java
+++ b/src/main/java/tconstruct/items/blocks/SoilSlabItem.java
@@ -2,36 +2,25 @@
 
 import java.util.List;
 
+import mantle.blocks.abstracts.MultiItemBlock;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.item.ItemBlock;
 import net.minecraft.item.ItemStack;
 import net.minecraft.util.MathHelper;
 import net.minecraft.util.StatCollector;
 import cpw.mods.fml.relauncher.Side;
 import cpw.mods.fml.relauncher.SideOnly;
 
-public class SoilSlabItem extends ItemBlock
+public class SoilSlabItem extends MultiItemBlock
 {
-    public static final String blockType[] = { "grass", "dirt", "mycelium", "slime", "grout", "blueslime", "graveyardsoil", "consecratedsoil" };
+    public static final String blockTypes[] = { "grass", "dirt", "mycelium", "slime", "grout", "blueslime", "graveyardsoil", "consecratedsoil" };
 
     public SoilSlabItem(int id)
     {
-        super(id);
+        super(id, "block.soil.slab", blockTypes );
         setMaxDamage(0);
         setHasSubtypes(true);
     }
 
-    public int getMetadata (int meta)
-    {
-        return meta;
-    }
-
-    public String getUnlocalizedName (ItemStack itemstack)
-    {
-        int pos = MathHelper.clamp_int(itemstack.getItemDamage(), 0, blockType.length - 1);
-        return (new StringBuilder()).append("block.soil.slab.").append(blockType[pos]).toString();
-    }
-
     @Override
     @SideOnly(Side.CLIENT)
     public void addInformation (ItemStack stack, EntityPlayer player, List list, boolean par4)