A professional detailer's secret weapon to clean and polish burned-on dirt, road oil, little white pollen spots, etc. on chrome exhaust, motor parts and chrome accessories Use with a liquid cleaner or polish, such as Formula 33 Removes burned-on heel marks and flash rust from chrome-plated metal parts Do not use on chrome-plated plastics - test with a magnet Also good with Formula M on aluminum stains and pitting Made in the U.S.A.. STEEL WOOL ULTRA FINE