tooloflife 1/5/10pcs Electroplated Ball Diamond Burr Drill Bit Set Rotary Tool Set for Carving Engraving Drilling Multiple Sizes

Features: -Electroplated ball diamond burr it is a deal correction tool for processing of various molds glass instruments and jade carving. -Use with hanging mill electric mill engraving machines electric machinery. -Diamond bits are favored for use with glass tile stone and hardened metals. -Suitable for carving engraving forming drilling and filing/material removal. Specifcations: -High quality ball diamond burr -Shape: spherical -Grit: 40(Coarse) -Head Diameter:0.5mm 0.6mm 0.8mm 1mm 1.2mm 1.5mm 1.8mm 2mm 2.5mm 3mm 4mm 5mm 6mm 8mm 10mm 12mm -Shank diameter: 2.35mm or 3mm Package Content: 1/5/10x ball diamond burr( According to your choose)