"First we need to know you are in 1.6.4 or 1.7.10, those two handle item id completely different. Second the InvTweak's version will help. Third: http://inventory-tweaks.readthedocs.org/en... might help you if you are on Minecraft 1.7.10 And if you are on Minecraft 1.6 with InvTweaks 1.56 http://inventory-tweaks.readthedocs.org/en..." - number5