The 7135 is a 200mm cleaning disc for the Laser 7133 (Wheel Hub Cleaning Tool). Designed to work on drive flanges with a centre boss diameter up to 74mm. 200mm outside diameter, 74mm centre hole.Replacement cleaning disc for 7133. Simple turn and lock fitting. Use to clean stud-less drive flanges, hubs and internal wheel face. Ideal for larger 4x4 and van hubs.