Rubber O Ring 419pcs Sealing Gasket Washer Sets Assorted Seal Tool Black Assortment Kit for Machine Repair and Secure Seals

O-Ring Details: Rubber O-Ring, nitrile rubber(NBR), 419pcs, oil resistant, high temperature resistance, meets general repair needs. Easy to Use: Soft and flexible o ring, simply snap on, easy to install, widely to use as a sealing tool. Organized Storeage: Stored in a heavy-duty plastic storage case, divided the size separated and organized, easily to choose the correct size. Application: Mainly used for preventing leaks in plumbing, machinery, hydraulic, and pneumatic repairs; also applied to providing secure seals for any oil, air, gas, and water seal application; suitable for cars, equipment in offices, factory or home, etc. Meet Needs: Package includes 32 common metric sizes from 3mm to 50mm, enough for your secure seal using needs.