Mothers® Marine PowerMetal® An extraordinary liquid metal polish that restores and protects polishable metals, including stainless steel, brass, bronze and aluminum. PowerMetal® gives you that like-new shine by removing tarnish, light surface rust, mild oxidation and corrosion. Its advanced formulation provides protection and a lasting brilliant shine. Excellent for use by hand, with the PowerBall®or PowerBall Mini® to quickly and easily accomplish any job, regardless of size or intricacy. Perfect for railings, cleats, props, windlasses and much more. #91048, 8 oz.