Rust-Oleum Stops Rust Rust Inhibitor is a clear, non-yellowing coating specifically formulated to protect untreated, bare metal surfaces from moisture and corrosion. This easy-to-apply barrier effectively prevents rust and degradation, extending the life and appearance of metal equipment and tools. Ideal for both indoor and outdoor use, it is perfect for preserving the integrity of garden tools, bicycles, metal sporting goods, lawn equipment, iron railings, and various household or workshop metal surfaces.