Zelmer Meat Grinder Knife ZMMA028X (A863109.00) 10003883 D=55.5mm s=5mm Bore=10x10mm NR8 (double sided) | Factory number: 10003883-1 Parameters: Type of sharpening: Double-sided Diameter, mm: 55.5 Dimensions of the hole, mm X mm: 10x10 Thickness, mm: 5 Shape of the hole: Square