Mothers Marine PowerMetal Liquid Metal Polish is an extraordinary liquid metal polish that restores and protects polishable metals, including stainless steel, brass, bronze and aluminum. Power Metal 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.