Upgrade your mixers, choppers and power drives with Alfa's GS-12 Grater Shredder Attachment. Safely latches onto the power hub of your equipment and comes complete with housing, door, pusher plate and disk holder with a 3/16 inch shredder plate Unit is made of heavy-gauge polished aluminum and fits on size #12 Hobart compatible power hubs. NSF approved. Hand wash only, do not place in dishwasher.