Hobart 4812 Meat Grinder-Bag Stuffing Attachment. Will Fit Hobart #12 Grinders A120-A200-D300-H600 Mixers All Buffalo Choppers & Power Heads Complete With 2 Stay Sharp Stainless Steel Knives & Stainless Steel Breaking Plate & Second Grind Plate Stomper -w/Stainless Pan, #12 Cylinder-Adjusting Ring & Auger. Plus #12 2 Bag-Chub Stuffing Tube With 100-2lb Ground Beef Chubs.