California Gold Metal Polish Liquid - 12oz *Case of 6*Gently cleans, restores and protects any polishable, bare metal surface to its original high-gloss shine and brilliance using specially formulated polishes and emollients. Metal Polish is safe for uncoated metals including aluminum, billet, stainless steel, nickel, brass, silver and copper. Use by hand, or with any of the metal polishing tools from the Mothers PowerBall line.