Package includes: 11pcs Carving Bits, Shank diameter: 3mm(1/8inch), Grinding head length: 30mm, Total lenght: 70mm
Diamond drill bits are Made of premium diamond particles and alloy
Wide Application :Perfect for mold grinding, inner hole grinding, and fine polishing tasks.
Suitable for grinding field tone,ceramics,glass,carbide,tile,marble,jewlry,rock.
For crafts, hobbies, home repair, jewelry,lapidary use, modeling, and so much more