WD40 Multi-use is a product for all sorts of applications and can serve as a rust remover, lubricant, contact spray, cleaner and for corrosion protection. This is a silicone-free and non-conductive product. It can be used for removing moisture in electrical installations, loosening stuck and corroded parts, protecting tools and battery poles against corrosion, and more. But also for lubricating locks and hinges and other rotating and moving parts. The product is also suitable for removing grease and dirt from many surfaces.