5.4cm diameter. Round with a single notch. Stainless steel sausage stuffing plate and knife for your Smokehouse Chef, Hightower Kitchen, Gvode and Chefs Choice meat grinder. NOTE. Only the Smokehouse Chef and Hightower Kitchen meat grinders are real stainless steel and dishwasher safe. This plate is used to stuff meat into your sausage casings. Stainless steel tubes are also available from Smokehouse Chef. Plate has 2 large holes to allow the meat to flow faster into the tubes/casings. New stainless steel knife included. Disc is 5.2cm diameter. It is also known as the size #5. *Grinder attachments pictured are for reference and NOT included in the purchase. You are purchasing the new stuffer disc and knife. Great for using your Kitchenaid and Chefs Choice attachment to make homemade sausage like kielbasa, bratwurst, snack sticks, summer, jalapeno, italian links, hot dogs and much more. NOTE: This plate does NOT fit the white plastic meat grinder attachment. Those are also sold by SmokehouseChef and are identified as Kitchenaid FGA plates and knife.