DuPont Release-It Premium penetrating oil provides long-term rust and corrosion protection. This advanced chemistry formula delivers best-in-category penetrating performance. Use to free up rusted and highly corroded parts. The inclusion of Non-Stick Ceramic Technology helps parts separate easier and provides a low-friction film when parts require lubrication. Ideal for automotive, marine and industrial applications. Common uses include frozen components, rusted bolts, stiff chains, springs, coils, marine equipment, tool protection, winches, pulleys and more.