Apply to any rusted metal surface to stop rust in its tracks. Eliminates the need for sanding and scraping. Neutralizes rust and converts it to a tough primer in one easy step. Protective coating helps prevent future rust and may be painted if desired. Cars, truck frames/beds, boats, & trailers, railings, fences, iron or steel furniture, equipment, tools, etc. Hundreds of applications for Auto, Marine, RV, Heavy Trucking, Construction, Utility Service, Hardware & Home.