Features: 1.Function: The rotary burr file can reduce labor intensity and improve the working environment with easy operation and reliable quality. 2.Premium Material: Made of high strength hard alloy material, which has high hardness, wear resistant, not easy to break, strong and durable. 3.High Efficiency: In most jobs, it can replace small grinding wheels and it is free of dust pollution and will provide high production efficiency. 4.Wide Application: Used for surface cleaning, wood working, mold processing, metal carving, in copper, aluminum, jade, steel, marble, wood material. 5.Multipurpose: It can be used for impeller runner repair, mold cavity processing, clean up flash burr welding, carving for metal or non metal, in aviation, automobile, ship surface polishing. Specification: Item Type: Single Cut Rotary File Material: Hard metal metal Color: Silver Fitment: Fits for aviation, automobile, ship surface polishing