... is 63-66HRC. It is specially suitable for cut art paper, copy paper, metal laminated paper, card board, PVC, metal foils ... as follows:1. printing industry: we supply blades for many paper guillotine cutters, such as polar, Whlenbberg, Perfecta, Itoh ... others: ice resurfacing knives, die cutting knives, blades for bending machine, mould cutting knives. Knives for Printing & Paper Making Industry