Knife for meat grinder Zelmer 00631383 NR5 86.1007 D=47mm s=9mm Hole=9.5x9.5mm | Factory number: 00631383-1 Parameters: Type of sharpening: One-sided Diameter, mm: 47 Dimensions of the hole, mm X mm: 9.5x9.5 Thickness, mm: 9 Shape of the hole: Square