Tetra 304I Gun Cleaning Lubricant 8 oz

Bull Frog's Rust Blocker Shields protects all metal surfaces in larger enclosed spaces from rust and corrosion for a full year by forming an invisible, protective electrochemical layer. It won't harm plastics, elastomers or painted surfaces, and is both environmentally and user safe. The shield is easy to hang in a gun cabinet, storage locker, tool chest, etc., up to 100 cubic feet.