1.Material :52100,D2,H13,HSS Inlaid,etc 2.Used for cut steel plate 3.Shock resistant material 1.This sheraing knife use for cut steel plate,and have 2pcs for 1 set(Top & Bottom)2.We have the material 52100,D2,H13,HSS Inlaid,etc with the different pricesfor your request.3.Special tooling can be made according to your profile&drawings4.High quality but competitive price Scrap chopper blade