Senco PC0101 lubricant has been specifically formulated to protect the o-rings in pneumatic nail guns and staplers. Proper lubrication will keep your tool working throughout the project. The small pint size container of the PC0101 makes it easy to keep close in your nail bag.Premium grade oils formulated with high quality parrafin distillate stocks Contains carefully balanced rust and oxidation inhibitor with an effective antifoamantSenco Oil MSDS