MetalGuard Ultra Anti Corrosion Treatment-Bora STN-MGU250 250ml can. Protects Your Tools and Machines from Rust and Corrosion for up to Two Years. Provides up to two years protection from corrosion Gives unbeaten protection from corrosion to all metals Forms a soft, clear film (2 micron) which will not yellow with age Easily wiped clean Can be applied to wet surfaces, machines and tools due to excellent water displacing characteristic Easy to use and long-lasting. Provides up to two years of corrosion protection One of the only anti-corrosion treatments that complies with defense standard 68-10/2 (PX24) and NATO code C-634. Wipes clean easily, and forms a soft, thin 2-micron film coating, which will not yellow with age. Keeps your hand tools and machine tools looking great and rust-free! Can even be applied to wet surfaces due to excellent water displacing characteristic.