diff --git a/enchants.lua b/enchants.lua
index 127cae6..aae0af1 100644
--- a/enchants.lua
+++ b/enchants.lua
@@ -11,6 +11,9 @@ function tool_level_enchanting.set_enchantment(itemstack,enchantment_name,level)
     local itemdesc = itemdef.original_description or ""
     itemmeta:set_string(enchantment_name,level)
     itemmeta:set_string("description", tool_level_enchanting.create_description(itemdesc, dugnodes, itemstack))
+    if enchantment_name == "efficiency" then
+        itemstack = tool_level_enchanting.efficiency_change(itemstack,level)
+    end
     return itemstack
 end
 
@@ -29,8 +32,23 @@ end
 
 -- Efficiency
 -- 10% speed increase each level?
--- Max Level 10
-
+-- Max Level 5
+function tool_level_enchanting.efficiency_change(itemstack, enchant_level)
+    local itemmeta = itemstack:get_meta()
+    local itemdef  = itemstack:get_definition()
+    print(ItemStack("default:pick_diamond"):get_tool_capabilities())
+    if itemdef.tool_capabilities then
+        local speed_multiplier = 1 - (0.1 * tonumber(enchant_level))
+        local cap = table.copy(itemdef.tool_capabilities)
+        for _,c in pairs(cap.groupcaps) do
+            for i,t in pairs(c.times) do
+                c.times[i] = t * speed_multiplier --FIXME: add actual
+            end
+        end
+        itemmeta:set_tool_capabilities(cap)
+    end
+    return itemstack
+end
 
 -- Fortune
 -- 10% Chance per level of doubling ore
@@ -56,7 +74,6 @@ end
 
 -- This keeps existing handling of node drops
 local old_handle_node_drops = minetest.handle_node_drops
-
 function minetest.handle_node_drops(pos, drops, digger)
     if not digger or not digger:is_player() then
         return old_handle_node_drops(pos, drops, digger)
diff --git a/init.lua b/init.lua
index 501d6f5..87f6af9 100644
--- a/init.lua
+++ b/init.lua
@@ -27,7 +27,7 @@ function tool_level_enchanting.get_level(uses)
 end
 
 function tool_level_enchanting.create_description(name, uses, itemstack)
-    enchantment_string = 'Enchants:'
+    local enchantment_string = 'Enchants:'
     if itemstack then 
         local itemmeta = itemstack:get_meta()
         local unbreaking  = tonumber(itemmeta:get_string("unbreaking")) or 0
@@ -85,6 +85,7 @@ function tool_level_enchanting.on_use(itemstack, user, node, digparams)
     local fortune     = tonumber(itemmeta:get_string("fortune")) or 0
     local silk_touch  = tonumber(itemmeta:get_string("silk_touch")) or 0
     local auto_repair = tonumber(itemmeta:get_string("auto_repair")) or 0
+    
     -- Make sure play exists
     if not pname then return itemstack end 
 
@@ -111,7 +112,6 @@ function tool_level_enchanting.on_use(itemstack, user, node, digparams)
 end
 
 function tool_level_enchanting.add_tool(name)
-    print(name)
     local desc = ItemStack(name):get_definition().description
     minetest.override_item(name, {
         original_description = desc,
@@ -121,4 +121,8 @@ function tool_level_enchanting.add_tool(name)
 end
 
 tool_level_enchanting.add_tool("default:pick_wood")
+tool_level_enchanting.add_tool("default:pick_stone")
+tool_level_enchanting.add_tool("default:pick_steel")
+tool_level_enchanting.add_tool("default:pick_bronze")
+tool_level_enchanting.add_tool("default:pick_mese")
 tool_level_enchanting.add_tool("default:pick_diamond")
\ No newline at end of file
diff --git a/mod.conf b/mod.conf
index eaa0128..c50fc9f 100644
--- a/mod.conf
+++ b/mod.conf
@@ -2,3 +2,4 @@ name = tool_level_enchanting
 description = Enchant Tools based on how much you use them
 author = jasonl8446
 title = Tool Level Enchanting
+depends = default
\ No newline at end of file