3-IN-ONE Multi-Purpose Oil is an 8-fluid-ounce lubricating oil for cleaning, lubricating and protecting tools and equipment from grime and rust. This rust remover penetrates deep to help eliminate squeaks caused by build-up in moving parts and pivot points, such as bikes, chains, suitcase wheels, hinges, rolling chairs and more. Plus, it protects from corrosion, allowing for a smoother, quieter operation. The fill-level indicator makes it simple to see when you're running low with an easy-to-read fill-level indicator strip. Use the squeeze bottle with Marksman Twist Spout for a more precise application. This product complies with California VOC regulations. About 3-IN-ONE The 3-IN-ONE brand is focused on making it easy for people to solve their maintenance problemsand has been since 1894. That's why the WD-40 Company officially acquired the 3-IN-ONE Oil business in 1995 and has been innovating ever since to produce products with great delivery systems.