This is an S.R. Smith PAL Lift Rigid Caster Replacement Kit With Hardware. The casters are sold individually. The PAL lifts have two swivel casters with brakes and two rigid casters. If you are replacing all the casters, you would need to purchase two of each type. Product Features Genuine S.R. Smith replacement cast replacement kit. Sold per each caster. What are the benefits of choosing a SR Smith Pool Lift? SR Smith is trusted by commercial pool owners around the world for providing top-notch swimming pool products. Their decades of experience and proven ability to innovate have led to them becoming a category leader in diving boards, rails, slides and pool lifts. equipment is made with the highest quality materials and craftsmanship, allowing it to withstand even the most extreme weather conditions. When you purchase from SR Smith through Poolweb.com you can trust that you’re getting the most up-to-date features, highest quality and designs available in the market. Technical Specifications Product Category Parts Poolweb Item # 200-2222 Manufacturer SR Smith Shipping Weight 2.0 lb