The PowerBall has an unlimited amount of uses, but is designed to revitalize billet, diamond plate, polished aluminum, stainless steel, plastic lenses, and convertible top windows. The PowerBall works ideal when used with Mothers PowerMetal Polish on any uncoated, polishable metal finish. Its unique and durable construction compresses to fit tight spaces, so polishing difficult, intricate metalwork to a mirror-like finish is as fast and easy for the beginner as it is for the pro's! The Mothers Power Products are specifically designed to be applied with consumer machine application. The PowerBall has dozens of foam tabs that conform to curved surfaces and provide gentle polishing power to any surface. Its durable construction compresses to fit in tight spaces while still keeping a soft cusion between your vehicle and the PowerBall. PowerBall turns your electric drill into a great polisher! The PowerBall can be used on both sides. Just filp the PowerBall attachment assembly when the ball becomes worn! The MOTHERS PowerMetal Polish works on all polishable metals such as aluminum, stainless steel, brass, silver, gold, and copper.