Tungsten Steel Grinding Head Tungsten Carbide Bur Set Mini Diamond Tip Bur Material Tungsten Alloy Grinding Accessories 100% brand new and high quality Feature: High production efficiency, the processing efficiency is several times higher than a file, nearly 10 times higher than a small wheel stalk. High product processing quality, high finish, can process out a variety of high-precision mold cavity. Long life, the durability is 10 times higher than high-speed steel cutting tool, 200 times higher than the small grinding wheel. Suitable for processing these metal and non-metal, such as cast iron, cast steel, bearing steel, high carbon steel, chrome-nickel alloy, bronze, brass, and ceramic tile, marble, jade, bone, etc. Widely used in machinery, automobile, shipbuilding, chemical, craft sculpture, etc. Easy to grasp and use, safe, and reliable. Specifications: Material: Tungsten Carbide Size: detail sizes as pictures. Package size: 142x110x25mm/5.6x4.33x0.98in Color: As pictures shown Quantity: 8pcs/set Note: Please allow 0-1cm error due to manual measurement. pls, make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 8pcs/set x Carving Burrs Bit (other accessories demo in the picture is not included.)