Description: Cat® General Use O-Ring seal kits provide maximum convenience to commonly used O-ring sizes, reducing the need to order individual seals. The kit is supplied in a well-organized, rugged plastic container with individual compartments and can be latched for storage and contamination protection. Attributes: Cat® O-Rings are made from materials that are matched to the fluids, temperatures and pressures found in Cat engines and machines to provide reliable performance in the most demanding applications. Cat O-Rings are your best solution for your Cat and other mobile equipment O-Ring needs. Protect your investment with Genuine Cat Seals. Application: O-Rings are used in many static and dynamic joints throughout Cat machines and engines.