MET-ALL All Purpose Polish is a soft, paste polish and cleaner for chrome, silver, aluminum, brass, and virtually any metal. Cleans to a brilliant shine and leaves a protective film. Works great for antiques, jewelry, motorcycles, automotive cleaning, gun and knife collectors, and other general home use. Meets Military Spec MIL-P-6888 A (ASG). Manufactured by MET-ALL Industries. Original product number AP-20.