Features -Electroplated spherical diamond burrs, ideal correction tool for processing various molds, glass instruments and jade carving. -Used in conjunction with pendant grinders, electric grinders, engraving machines and electric machinery. -Diamond bits are suitable for glass, tile, stone and hardened metal. -Suitable for engraving, carving, molding, drilling and filing/material removal. Specification -High quality spherical diamond burrs -Shape:Spherical -Grit size: 20 (coarse) -Head diameter: 6 mm -Shank diameter: 3 mm Packing List 20 x Diamond Burr Bit Set .
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