Description Tool for cleaning wheel hubs and disc brakes. Ideal for vehicles with wheel hubs up to 150mm in diameter. For use with power tools that have a 1/2″ drive. The silicone carbide disc cleans the contact surface and prevents distortion of the wheel tightening torque. The disc has a hook and loop backing pad for easy removal / replacement from the cleaning tool. • For use with power tools that have 1/2″ drive • Max RPM: 1500 • Internal diameter: 90mm • External diameter: 150mm • Replaceable silicone carbide disc