3-In-OneĀ® Versatile multi-purpose drip oil has been a trusted tool used by professional tradesmen and Do-It-Yourselfers to lubricate moving parts, penetrate rust, clean and protect tools and much more. Its precise, easy-to-use drip spout enables precise application, with no overspray or splatter and its updated packaging has a fill level indicator strip that shows you when you're running low. 3-In-OneĀ® oil can be used to lubricate tools, hinges, nuts and bolts, bicycles, wheels, fans and many other moving parts.