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. Use 3-IN-ONE on nuts and bolts, hand and power tools, bearings, locks, fans, firearms, bicycles, rollers, wheels, drill bits, saw blades, ladders, seals, bearings, shafts, trailer hitches, skateboards, and moving parts..nearly everything that moves. 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.