Features: *Can Process a variety of metal and non-metal, processing hardness would up to HRC70. *In a great part of the work, it can replace the petiole small wheel, and no dust pollution. *High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk. *High product processing quality, high finish, can process out a various of high-precision mold cavity. *Long life, the durability is 10 times higher than high-speed steel cutting tool, 200 times higher than small grinding wheel. *Easy to use, safe and reliable, can reduce labor intensity, improve the working environment. *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. *The speed of the electric or pneumatic tools usually is 6000-50000 revolutions per minute. *Wide range of uses includes body shops, fabrication shops, brake shops, industrial shops, die manufacturers, etc. Specifications: Product name: Rotary Burrs Material: Tungsten steel Color: Silver Flute: Double Cut Total Length: (Approx.) 105-113mm Shank Length: (Approx.) 100mm Shank diameter: 3mm Head diameter: 6mm Optional Type: A, C, D, E, F, G, H, L, M, N Suitable for: grinding all kinds of soft metals, metal derusting, deburring and reaming, etc. Quantity: 1pc Package Included: 1 × Rotary Burrs Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.