Brazing Diamond Burr Grind Drill Bit 12-25mm Die Grinder 46 100 Grit 6mm Shank
Grit: 46 grit - Extra Coarse, 100 grit - fine. The diamond burr made of brazed diamond and has better grinding ability than ordinary electroplated diamond grinding head. Suitable for grinding and polishing Stone (marble, quartz, granite.Etc.).