3 in 1 Multipurpose lubricating oil is a versatile formula thats been used and trusted by the tradesman for over a 100 years. It protects tools and equipment, penetrates rust, cleans off grime and lubricates moving parts. It has an easy to use drip spout that reduces any platter or over spray like conventional aerosol lubricants and comes with a fill level indicator strip so it’s easy to know when you're running low