The WD-40 Specialist Corrosion Inhibitor is a powerful anti-rust spray designed to provide long-lasting protection against moisture and corrosion. Ideal for metal surfaces, tools, machinery, and outdoor equipment, this formula creates a protective barrier to prevent rust in harsh conditions. Its 6.5 oz can makes it easy to apply, ensuring durability for both indoor and outdoor use. Whether you’re preserving automotive parts, marine gear, or storage equipment, this trusted WD-40 formula keeps metal surfaces clean and corrosion-free.