WD-40 Multi-Use Product protects metal from rust and corrosion, penetrates stuck parts, displaces moisture and lubricates almost anything. The WD-40 Multi-Use Product is truly a "toolkit in a can" with its permanently attached Smart Straw that Sprays 2 Ways. With more than 2,000 documented uses, it has been the go-to resource to get the job done for more than 68 years. Lubricates moving parts such as hinges, wheels, rollers, chains, and gears. Protects against rust and corrosion on items like tools, and sporting equipment. Penetrates to free stuck corroded parts like nuts, bolts, valves and locks