This hub cleaning tool is specifically designed for cleaning the studless hubs found on the majority of European cars and car-derived vans. It includes a 1/2" square drive enabling it to be driven by the same power tools used to remove the wheel taking away the need for electric drills or any additional tooling. This hub cleaning tool comes equipped with a replaceable 160mm diameter cleaning disc making it perfect for most car hubs with a centre boss diameter of up to 64mm and for cleaning the mating surface on the inside of both steel and aluminium wheels. For best results and longer pad life, light pressure is everything that is required. Features and Benefits Equipped with 160mm cleaning disc designed for Stud-less hubs with a maximum centre boss diameter of 64mm for excellent results Can be driven by 1/2" drive power tools