Features： 1、Multi Uses: Rotary burr set is suitable for surface cleaning, woodworking, mold processing, metal carving, welding, deburring, grinding, sculpting, etc. 2、High Efficiency: You can use the carbide rotary burr files with handheld electric or pneumatic tool, to get things done more easily and quickly. 3、Wide Application: Rotary burr files can be used for aviation, vehicle, ship, boats, industrial engineering and so on, practical and helpful tools. 4、Package Contents: The kit includes 5pcs carbide rotary files, N0607M06, N0810M06, N1010M06, N1213M06, N1413M06, they have different sizes. 5、Carbide Material: Rotary burr files are made of heat treated carbide material, high strength, high temperature resistant, not easy to break. Specification： Item Type: Carbide Rotary Burr Set Material: Carbide Kit Includes: N0607M06, N0810M06, N1010M06, N1213M06, N1413M06 Size: N0607M06 shank diameter is 6mm / 0.24in, cutter head diameter is 6mm / 0.24in, total length 55mm / 2.17in N0810M06 shank diameter is 6mm / 0.24in, cutter head diameter is 8mm / 0.31in, total length 59mm / 2.32in N1010M06 shank diameter is 6mm / 0.24in, cutter head diameter is 10mm / 0.39in, total length 55mm / 2.17in N1213M06 shank diameter is 6mm / 0.24in, cutter head diameter is 12mm / 0.47in, total length 55mm / 2.17in N1413M06 shank diameter is 6mm / 0.24in, cutter head diameter is 14mm / 0.55in, total length 59mm / 2.32in Applicable Models: Suitable for aviation, automobile, ship surface grinding, etc. Package List： 1 x Carbide Rotary Burr Set (5pcs)