Rust and corrosion build up on disc brake and hub components quickly. Not only is it unsightly, but rusty parts can become dangerous. The Powerbuilt Brake Rotor, Wheel Hub, Lug Stud Resurfacing Kit easily removes rust and corrosion on lug studs, rotors, and other areas of the hub assembly. The kit works on most vehicles with front or rear disc brakes. Set includes the drill attachment, three Velcro pad holders, and ten abrasive sanding pads. The drill attachment easily attaches to a standard drill.