Mr. Metal safely shines all metal objects from the finest sterling silver to the dullest auto wheels and marine hardware. Mr. Metal cleans, shines and protects – Sterling Silver, Silver plate, Aluminum, Brass, Chrome, Platinum, Copper, Gold, Stainless Steel, Pewter and more. Our advanced formula contains no abrasives and quickly and easily dissolves tarnish without hard rubbing or buffing. Mr. Metal’s one-of-a-kind Tarnish Guard protection leaves a protective coating that prevents tarnish and dulling in the future.