purpose light oil formula for maintenance and repair applications. provides corrosion resistance, lubricates and cleans. prevents freezing of automotive locks, removes rusted fasteners, lubricate hinges, displace moisture from the components. General purpose, all round use anywhere a light oil is needed. Cleans and lubricates hinges. Frees rusted bolts. Displaces moisture. For automotive and other general use. Prevents rust and corrosion by depositing an ultra - thin film that coats and penetrates the surface pores of metal. Penetrates to quickly free rusted nuts, bolts, relieve binding of sliding parts. Displaces moisture to dry out damp electrical parts, improve electrical circuit conductivity.