About Seller: In our warehouse, we utilize a first in, first out inventory system and maintain a stock of over 300 million O-Rings, Seals, and various other products. Our inventory includes metrics, back-up rings, retaining rings, square cut, lathe cut, gaskets, rubber to metal bonded, Teflon, Teflon encapsulated, non-standard, cord stock, custom molded rubber products, and kits, among others.