The 3M™ Air Tool and Compressor Lubricant is a lubricating oil that keeps the tools running at top efficiency. The oil reduces friction between moving parts and lowers the amount of heat produced by the motor.|| The 3M™ Air Tool and Compressor Lubricant is a lubricating oil that keeps the tools running at top efficiency. The oil reduces friction between moving parts and lowers the amount of heat produced by the motor.