... 2.SKH51,SKD61,SKD11 etc. 3.Custom sizes available Plastic Injection Mold Ejector Sleeve Pins WAT Tool is a manufacturer of carbide ... , including different types of tungsten carbide end mills, injection plastic mold ejector sleeve pins and sleeve pins, non-standard tools and ... parts are mainly for plastic dies, The operation of skd61 injection mold ejector sleeve pins, core pins, mould parts is very easy ...