In the warehouse we use a first in, first out system and stock more than 300,000,000 O-Rings, Seals, and other products. We supply 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 to name just a few.