... SLEEVE,RECTANGULAR EJECTOR PIN)Material: HSS, SKD61, SKH51 ,SKD11,HSS M-2, SKH9 ,HSS M-2, SKD11,ASP23,ASP30 etcHardness:After surface treatment ... :the product will have an anti-wearing and corrosion-resistant surface with fairly high hardness ,applicable for molds operating under high ... -576-84408952Moible No.:0086-13656590159 Website Http://www.ucanmould.com Rectangular ejector pin