@@ -1,17 +1,10 @@
 minetest.register_on_craft(function(stack,crafter,recipe,grid)
-	local ctoolclass = {
-		[1] = 200;
-		[2] = 100;
-		[3] = 50;
-		[4] = 10;
-		[5] = 5;
-	}
 	for i=1,grid:get_size('craft') do
 		local s = grid:get_stack('craft',i)
 		local v = minetest.get_item_group(s:get_name(),'crafttool')
 		if v ~= 0 then
-			local dmg = 65536 / ctoolclass[v]
+			local dmg = 65536 / v
 			local tool = recipe[i] 
 			tool:add_wear(dmg)
 			grid:set_stack('craft',i,tool)
 		end
@@ -18,18 +11,24 @@
 	end
 	return nil
 end)
 
-if minetest.get_modpath('xdecor') then
-	local og = minetest.registered_tools['xdecor:hammer'].groups
-	og.crafttool = 2
-	minetest.override_item('xdecor:hammer', {groups = og})
+local mod_override = function(mod,name,val)
+	if minetest.get_modpath(mod) then
+		local id = mod..':'..name
+		local og = minetest.registered_tools[id].groups
+		og.crafttool = val
+		minetest.override_item(id, {groups = og})
+	end
 end
+
+mod_override('xdecor',     'hammer',     70)
+mod_override('screwdriver','screwdriver',40)
 
 minetest.register_tool('sorcery:vice', {
 	description = 'Vice';
 	inventory_image = 'sorcery_vice.png';
-	group = { crafttool = 3; }
+	group = { crafttool = 100; }
 })
 minetest.register_craft {
 	output = 'sorcery:vice';
 	recipe = {