Set of 6 Double-Cut Tungsten Carbide Rotary Burrs, 6mm Shank, Tungsten Carbide Filing/Engraving/Grinding Bits for Rotary Tools

Features: -Rotary burr, good for your wood carving, drilling, and engraving; professional tools. Can also grind marble, jade, and other non-metallic materials. -The petiolate wheel essentially replaces the small grinding wheel, eliminating dust pollution. -Grinding efficiency is increased up to 10 times better than manual files and petiolate grinding wheels. -High-quality, smooth finish, capable of producing all kinds of high-precision shapes. -Safe, reliable, and convenient to use.