Since 1894, 3-IN-ONE's 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-ONE oil can be used to lubricate tools, hinges, nuts and bolts, bicycles, wheels, fans and many other moving parts.