6" wool+foam polishihg ball, for surface polishing ... distortionGood stabilitySmall shrinkLong lasting.Non-scratch the surface.Works well with car glazes, silicones, polishes, waxes, compounds ... and selants, as well as the clay powders. Could use for polishing cars, ... pool and such surface. Use this pad,To deep clean the paint by removing oxidation. To remove fine ...