3-In-One multi-purpose oil lubricating oil for cleaning, lubricating and protecting tools and equipment from grime and rust. This formula 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 problems-and 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. Cleans, lubricates & protects - versatile formula cleans grime, lubricates moving part GW13:GZ13s, penetrates rust and protects tools and equipment. Reduces friction & wear - reduces friction that leads to wear and tear on moving parts, pivot points, hinges, bikes, chains and more. Eliminates squeaks - eliminates squeaking and returns smooth movement to moving parts, such as suitcase wheels, hinges, rolling chairs and more. Protects from corossion - protects tools and equipment from corrosion for smoother, quieter operation. Professional-grade - maintenance solutions to help you clean, protect & lubricate.