Application: Quick and easy removal of rust and dirt from contact surfaces of wheel hubs and brake discs with wheel bolt support. Prevents the falsification of the wheel bolt tightening torque caused by corrosion. Hook and loop fastener for quick changing of grinding wheels. Includes 2 spare grinding wheels with a diameter of 200 mm. Open-pored abrasive material and cup-formed grinding disc reduce dust formation to a minimum. No formation of sparks. Diameter: 200 mm. Net weight: 0.6 kg. Number of tools: 2.