Loosens Rusted Parts. Frees sticky mechanisms and penetrates to free up frozen or rusted metal parts and fasteners. Keeps controls and linkages working freely.Displaces Moisture. Gets underwater, drives it off, and keeps it off. Non-conductor and can be used to dry out electrical and electronic equipment.Stops Squeaks. Finds and lubricates squeaks in hard-to-get-atmechanisms. Silicone-free, which means no messy, gummy residue.Protects Metal. WD-40 lubricates and protects against moisture and corrosive elements.Cleans. Removes grease, grime, tar, adhesives, gum, crayons, waterdeposits, and more.Applications: Assemblies, Bushings, Cables, Lugs, Pulleys, SlidingTracks, Threads, Hinges, Hubs, Hydraulics, Linkages, Cogs, Conveyors, Cranks, Fasteners, Valves, Winches, Wire Rope, Electrical Connections