The 382 Piece O Ring Assortment by Store House is a comprehensive collection of hydraulic, air, and gas seals made from durable nitrile rubber. Specifically designed for use with SAE sizes, this assortment is perfect for various hydraulic systems requiring reliable sealing. With a convenient store house design, this assortment ensures that you have the right size o-ring for any maintenance or repair task, making it a valuable addition to any industrial or mechanical workshop.