5 Piece Set Grinding plate discs and knife for the Kitchenaid Mixer FGA Food Chopper and Meat Grinding 4 new grinder discs & 1 knife for Kitchenaid Mixer Food chopper sizes are 3/16", 5/16", 1/2" holes + sausage stuffer plate Plates are 1 15/16" dia. across. Two tabs. Center hole 3/8" Knife has 10.4 mm center sq hole Parts fit the white plastic Kitchenaid attachment ONLY!