MET-ALL's Brass & Copper Polish is specially formulated for tough jobs. Great for removing heavy oxidation, tarnish and discoloration in one easy application and will not mar or scratch the finest finish. This non-abrasive, non-toxic formula is non-flammable and environmentally safe. Cleans and protects providing deep, rich, mirror-like finish and leaves a protective layer of anti-tarnish ingredients that lasts. Ideal for railings, hardware, plumbing, boat fittings, lighting fixtures, fireplace accessories, band instruments, trophies, antiques, kick plates and trim.