WD-40 SMART STRAW 8oz | WD-40 multi-use product lubricates moving parts such as hinges, wheels, rollers, chains and gears. It protects against rust and corrosion on items like tools and sporting equipment. It penetrates to free stuck corroded parts like nuts, bolts, valves and locks. It quickly removes adhesives, corrosion and paint. It displaces moisture to restore water flooded equipment such as engines, spark plugs and power tools.