Description:Cat® Retaining Rings are installed into machined grooves in housings/bores (internal) or on shafts (external) and are engineered for strength and longevity in a variety of applications. Cat retaining rings are manufactured to precise specifications and are built for durability, reliability, and productivity. You can count on this product to help you get more done.Application:Cat® Retaining Rings are assembled to a shaft or housing groove to retain a component or assembly. Consult your owner's manual or contact your local Cat Dealer for more information.