B'laster Multi-Purpose Lubricant lubricates, protects, and penetrates, making it an essential product with thousands of uses and applications. It smoothly lubricates moving parts such as window tracks, hinges, valves, wheels, rollers, chains, glides, and gears. This versatile lubricant also protects and helps prevent rust and corrosion on car parts, fishing reels and tackle, all tools, firearms, sports equipment, and marine applications. Its penetrating formula s rusted or stuck tools and parts like nuts and bolts, hinges, valves, dials, chains, and locks. The product comes in an 8 oz. aerosol spray with a straw for precise application, making it easy to use in various situations. Model Number: PB-50