3/16" (5mm) disc AND knife for Waring Pro Nesco, Kalorik, Sunmile, Oster, Rival, Back to Basics Meat grinder 3/16" (5mm) holes for hamburger grind meat + new knife Fits MOST Deni Rival Sunmile Oster Elite Waring Pro Nesco . Back to Basics. Stainless Steel. Will not rust. Ships FAST from Smokehouse Chef Knife is 1 3/4" (17.3 mm) tip-to-tip. Plates are 2 3/32" (53mm)