Excellent on all metals: Aluminum, Brass, Copper - Silver, Chrome, Gold, Bronze, Stainless, Magnesium, Pewter and more. Also works on Fiberglass, Plexiglass, Tile, Formica, Enamel Surfaces, and more. Wenol (Blue) is excellent for metal polishing and restoration projects. This polish can be used on any metal to remove tough stains, oxidation, acid rain spots, and surface rust. Less abrasive than the RED Wenol If you win this bid I will guarantee that it will work or you can return it for a full refund.