Storehouse Metric Nitrile O-Ring Assortment

This o-ring set consists of 18 of the most used o-ring sizes to accommodate a variety of tasks. The nitrile constructed rings resist heat, most petroleum, most silicone fluids and solvents. The o rings come organized in a convenient storage case with an included sizing guide for easy size identification. A great o-ring set for auto mechanics and machinists.