Mothers Ultimate Mag & Aluminum Polish meticulously cleans, restores and protects any metal surface to that next level, high-gloss shine and brilliance using ultra-fine, SiO2 infused nano-quartz abrasives. Safe for any uncoated metal, including aluminum, billet, stainless steel, nickel, brass, silver and copper. Incredible results when used by hand, or with any of the metal polishing tools from the Mothers PowerBall line.