... quality and low price.Excelsior is our watchword single order/ bit chip carrier/holder About us Established in 2005, zhuhai jzs ... of engineers with team-work spirit. We can offer full set of mold design, mold making, injection , spraying, silk-screening, ... ,H13Hardness of steel46~56HRCMaterial for Slider ,Lifter and all sub insert use1.2767 HRCCavitySingle-cavity ,Multi-cavityA surface request:EDM & ...