7PCS Diamond Grinding Bits 1/4″ Hex Shank Rotary Burr Set for Tile Stone Glass

✅ Diamond Grinder Bit Set 1/4″ Hex Shank 7Pcs Diamond Grinding Burr Drill Bits Rotary Tool Accessories for Porcelain Stone Glass Ceramics Carving Polishing Molding Engraving✅. Diamond-coated grinding bits with 1/4″ hex shank, designed for precision grinding, shaping, and deburring on tile, stone, glass, ceramic, and other hard materials.