12mm 10pcs Round Ball Diamond Burs 46Grit – Ideal for Gemstone, Stone & Glass Work Aluminum polish heads Choose from different grit levels

Choose from different grit levels (typically coarse: 60–80 grit) depending on your cutting needs

and detailed carving in hard materials

it cuts smoothly through concrete

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even stock removal with extended disc life

12mm 10pcs Round Ball Diamond Burs 46Grit – Ideal for Gemstone, Stone & Glass Work Aluminum polish heads Choose from different grit levelsDiamond Drill Bits are precision tools for fine detailing and material processing. Discover the versatility of diamond drill bits, designed with durable diamond grit for aggressive cutting, precise shaping, and long lasting performance. Available in multiple gritscoarse (40,60,80,120) for rapid material removal, and fine(240,600,1200) for detailed engraving and polishing. These tools suit lapidary artists, jewelers, sculptors, and precision craftsmen.