Stone Carving Set Diamond Burr Bits,20PCS Polishing Kits Rotary Tools4018
Great for cutting gemstones, glass, porcelain, tile, carbide, rock, ceramic, aluminum and copper, great for crafts, hobbies, home repairs, jewelry, gem use, modeling, and more.
The diamond grinding set features a 3 mm (1/8 in.) shank grinding that is compatible with most rotary tool or die grinders.
Rotary tool diamond burrs set,Shank Diameter: 0.118 inch (3mm)

Colour: picture color
Material: diamond

Package Contents:
20 * Diamond mounted grinding burr