#12 Hub Plate ; 440C Steel, 58-60HRC, diameter:69.3mm ;thickness:8mm for commercial and butchery industry #12 Hub Plate ; 440C Steel, 58-60HRC,diameter:69.3mm ;thickness:8mmfor commercial and butchery industry3/32,1/8,9/64,5/32,3/16,1/4,3/81/2,5/8,3/4,1, meat hole available #12 Hub Plate ginder knife