BOESHIELD T-9 Rust & Corrosion Protection/Inhibitor and Waterproof Lubrication, 4 oz aerosol Boeshield is great for use in Marine, Bicycles, Automotive, Tools and Aviation Boeshield loosens rusty and corroded parts and is safe on paints, any metal surfaces, plastics, and vinyl T-9 flushes out dirt and old lubricants, displaces moisture, and penetrates moving parts Boeshield dries to a thin, waxy film that clings to metal for months Boeshield was developed by The Boeing Company for lubrication and protection of aircraft components