Description:

Product Name:Bistrique Plated Rotary Bits Bur Set Rock Gemstone, Diamond Rotary Bits Burrs Ball Tip Lapidary Tools.. Head Diameter:1.8 mm, Shank Diameter:2.35mm(close to 3/32").. Total Length:42mm (close to 1-21/32"), Grit:150 (Medium), Color:Silver Tone.. Cylindrical tip, Tip Shape:Spherical, Round Ball Shape.. Used for sculpturing, dressing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials..