The formula produces a rich, brilliant shine on any uncoated, non-ferrous, metal surface including, brass, gold, silver, aluminum, magnesium, pewter, chrome, sterling, copper and stainless steel. It leaves an invisible, protective coating to prevent further tarnishing and help keep the shine much longer. A solid favorite for home, industry, auto, motorcycle and antique users. 303 is using the newest technology to polish your chrome fast and most effective metal polish and cleaning agent in the industry today. Product not formulated to be used on clear coated/powder coated/painted wheelsCLEANS POLISHES & PROTECTS – Your metal surfaces have never looked better. The formulation produces a rich, brilliant shine on your metal surface.