ITEM NAME:10pcs Mini Steel Rotary Burr Grinding Head Set Wood Carving File Rasp Drill Bits Descriptio n Features: Great rotary files burr tool for DIY woodworking polished and carving. Suitable for grinding, polishing, shaping and burnishing wood. High working efficiency, perfect grinding effect and long using life. Basically replace with handle small grinding wheel and no dust pollution. Convenient to grind and fit for most of electric drill, easy to install, safe and reliable use. Specifications: Material: Steel Dimensions: stem diameter 6.3 mm, total length 58mm,48mm Color: Black Surface Treatment: Blackening Work-hardness: HRC 60 Type: Rotary Burr Shank Diameter: 6.3mm / 0.24in Cutting Edge Diameter: 13mm / 0.51in Length: 48-58mm Quantity: 10pcs Form: Cylindrical, Oval, Ball, Cone-shaped List of Products: 10PCS Drill bits Note: 1.Please allow a little size error due to manual measurement. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. High quality buy, happy buyï ¼ 10pcs Rotary Burr Set Wood Carving File Drill Bit Shank Tool.Great rotary files burr tool for DIY woodworking polished and carving. Type: Rotary Burr. 10pcs Rotary Burr Set Wood Carving File Drill Bit Shank Tool. List of Products: 10PCS Drill bits. Suitable for grinding, polishing, shaping and burnishing wood.