The Cambro CPMPK2175R480 is a Camshelving® Premium Series Post Kit designed for mobile units. This kit features a 21"W x 75-1/4"H configuration and includes two premium rigid casters equipped with a total locking brake for enhanced stability and mobility. It comes with two durable posts and a complete set of post connectors for both the top and bottom, ensuring a secure assembly. The speckled gray finish adds a modern touch while maintaining a professional appearance. This product is NSF certified, making it suitable for commercial use in foodservice and storage applications.