Lubricates, stops, squeaks, loosens rusted and sticky parts absorbs moisture. Frees rusted parts and helps stop carrosion on nuts, bolts, screws, fasteners, chains, cables and linkages, values and fittings, lawn mowers and automobile engines. For typewriters, clocks, sewing machines, air conditioners, guns, fishing reels, fine instruments, hand and power tools, toys, zippers, sliding doors and more. Dries out engines, spark plugs, coils, switches, and wiring. Aerosol can.