... jewelry, etc. Stiff steel and brass rotary wire brushes mounted on HP-sized mandrels designed for tough cleaning tasks; Classic, high quality ... for pre-polishing metal;Scotch Brite buff for remove scratches on acrylics or vaccum forming material, cleaning the oxidation layer of ... , polishing oxidation film, all kinds of metal, fine treatment on non-metallic surface and burr remove. About Us:Dian Fong ...