Tool Box Buddy is a truly superior penetrant designed to dissolve corrosion and rust without drying. It provides a microscopic film that rust proofs for up to a year inside or out. It provides excellent protection against water, even salt water, is fortified with anti-seize agents, and has a low odor. Lucas Tool Box Buddy Aerosol contains no chlorine and no fluorocarbons. Use on nuts, bolts, hinges, bearings, guns, fishing reels, sliding doors, or a million other uses around the home or shop.