Note: The color of the item may vary slightly due to photography and your own computer Specifications: Tungsten Carbide Burrs Material: tungsten carbide Shank diameter: 3mm(about 1/8") Shank Length: 35mm / 1.38" Cutting edge diameter: 6 mm / 0.24" Total length: 43-50 mm /1.69"-1.97" Weight: 80g Widely used in Finishing metal mold cavity, such as the processing Xiemo.Finishing the bore surface of mechanical parts, such as mechanical plant, repair shop, etc. Package Include: 10 x tungsten carbide burrs, packed well in plastic box.