used for press brake&cnc press brake material:T8A,SKD11,42CrMo Long workinglife feature:press brake die material:, 42CrMo ,SKD11, T8A, etc strong hardness:HRC47 ... +/-21)maximum length:10M2)fit for any press brake3 ... years professional experience in this line goose neck press brake die,goose neck tools die, bending tools