Designed to displace moisture, WD40 is ideal for drying electrical systems and protecting circuits from moisture damage. With its anti-corrosion composition, it is also suitable for protecting metals, helping to resist moisture and corrosion. Great for loosening rusted connections and loosening frozen, stuck or rusted metal. It also removes grease and grime, cleans and cleans surfaces, and loosens adhesive and excess adhesive. WD40 contains ingredients that spread easily and still adhere to moving parts for protection.