1.11years'experience manufacturer 2.high working efficiency 3.long working ... .11 years' professional factory Diamond Mounted Points(BF-MZ7) Features: 1) shaft diameter: 2.35mm, 3.00mm, 6.00mm or as ... to finish processing of sapphire, glass, granite, alloy tools, and other hard materials.1.preduce as customer require2.high working efficiency3.long ...