Mould Base 1. high quality 2. reasonable in price 3.timely delivery Mould BaseType: SFB /SFRMaterial:S50C,718H,2738,2311 Hardness:20-45HRC Tolerance:+-0.005Your drawing about standard size and custom size are available.1. With different types 2. Excellent performance 3. Close tolerance, long service 4. MOQ: 1 PCS for each. 5, Consistent quality control 6, Quick delivery time 7, Excellent customer ...