Meat grinder knife,european style AISI420J2 Steel,52-55HRC mincer knife; the best quality, a great variety, Eropean and American style. material alloy steel, HRC50-55, model#5-#42;material D2, HRC59-63, model#5-#42straight cross knife. #5#5, #8, #12, #22 and so onstainless steel or carbon steelsurface-brightening, polishHRC50--55 cross knife parts for meat mincer