Size:6-Pack This is a premium quality original buff ball with 7-inch buff ball head which has a shaft that fits any 3/8 inches drill or air tool. This can be used on all surfaces. It quickly and safely buffs out brake dust, scuff marks, light scratches, oxidation, chalking, tarnish, pitting and corrosion. This is power-rated for speed up to 2500 rpm and self-cooling. It wonât scorch or burn and wonât tear like foam buffers when hitting sharp edges. The ball is also washable and reusable. Plese note the buff ball comes with a bonus pack of metal, plastic and fiberglass flitz polish included.