Our #22 Meat Grinder Chopper Knife features a standard edge, hub size 22, is made of forged steel and is disposable. Each knife is made of one-piece construction for ease in cleaning. Replacement for most major brands including Hobart, Globe, Biro, Butcher-Boy, Thunderbird, General Slicing, Berkel, Unives, Torrey and more! Made in Italy.