Metal Glo is a premium quality polishing paste which removes oxidation, tarnish, surface rust, water spots, tars and oils, and leaves a brilliant protective coating that lasts for months. Perfect for cleaning, polishing and protecting any metal surface, Brass, silver, gold, chrome, copper, pewter, nickel, stainless steel, aluminum, magnesium, and many other hard, non-porous surfaces such as, Porcelain, fiberglass, Plexiglas, hard plastics and painted surfaces.