Liquid Metal Polish Flitz Liquid Metal Polish is a professional-grade cleaner and protectant formulated to restore shine and remove tarnish, oxidation, and water stains from metal and non-metal surfaces. The non-abrasive liquid formula delivers the cleaning power of paste polish with easier application and economy. Suitable for aluminum, brass, copper, chrome, stainless steel, silver, gold, and other metals, as well as painted finishes, fiberglass, glass, and plastics. Ideal for automotive, marine, household, and firearm maintenance. Apply sparingly with a soft cloth or microfiber applicator, work the surface gently, and buff to a brilliant finish. Safe for clear coats and paint. Do not use on electroplated finishes or cold-blued firearms.