3-IN-ONE is a specially formulated lubricating, penetrating and cleaning oil. 3-IN-ONE's unique set of ingredients enable it to lubricate as well as protect metal surfaces, 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.