Powerbuilt 940382 Brake Rotor Re-Surfacing Kit Made to be the most reliable tools in the market today Tool solutions for most all situations Built to exceed tool standards For most domestic and import vehicles with either front or rear disc brakes No quicker way to sand rust off lug studs and rotors on the hub Runs at speeds of 1200 RPM or less for best results Includes holder and 10 sanding discs and 2 pieces of velcro