Product Name:EJECTOR Sleeve Material: HSS, SKD61, SKH51 ,ASP23 .... Hardness:HRC 60+ Standard:DIN, ... of mould spare parts .1.SpecificationsProduct Name:EJECTOR PIN(EJECTOR SLEEVE,RECTANGULAR EJECTOR PIN)Material: HSS, SKD61, SKH51 ,SKD11,HSS M ... -resistant surface with fairly high hardness ,applicable for molds operating under high temperature...We have rich experience in manufacturing high precision ...