WD-40 is an all-purpose liquid for displacing moisture, corrosion control, lubrication, cleaning and penetration. It can penetrate the minute grain boundaries on all metals, it protects metal from rust and corrosion, penetrates stuck or jammed parts, displaces moisture, and lubricates just about anything.
Gets under dirt, marks and grease, making it easy to wipe them away
Lubricating ingredients are widely dispersed, and hold firmly to all moving parts
Protects metal surfaces with corrosion-resistant ingredients
Loosens rust-to-metal bonds and frees stuck, frozen or rusted metal parts
It quickly dries out electrical systems to eliminate moisture-induced short circuits