The advanced formulation of this penetrating fluid has multiple applications at home, in the car and in the workplace. Lubricates, cleanses and protects all metal parts. Stops door and hinge squeaks. frees mechanisms such as door locks and handles, removes moisture from the car's electrical parts. Starts wet engines. Necessary on the boat and for every electrical mechanism in general, protects from corrosion & preserves all metals, by creating a thin protective film. Ideal for electrical contacts, such as battery poles, sparking plugs and distributors.