High Quality Material - The carbide router bit set is made of premium heat-treated tungsten carbide with high strength, hardness and durability, which is guaranteed to stand the test of time. Features - 1/8" shank fits most rotary tools and grinders. This grinder bit set is easy to grip and use, safe and reliable; double-cut tooth angle prevents chipping. It can be used on all types of metals, including stainless steel and hardened steel, as well as wood, jade and marble. Specifications - The 10pcs tungsten carbide burr set includes many types of burrs, different shapes can meet your needs. Widely Used - Precision metal working, engineering, carving, tool making, deburring, jewelry making or welding, or you like various DIY crafts.The Carbide Burr Set is exactly what you need for quality results with rotary burrs.