The Cambro EXHDPK2470480 is a Camshelving® XTRA High Density Post Kit designed for mobile shelving units. This kit includes two high-density casters for easy mobility, donut bumpers for added protection, two sturdy posts, and a complete set of post connectors for secure assembly. With dimensions of 24"W x 70"H, this speckled gray post kit is built to enhance your storage solutions. It is NSF certified, ensuring it meets strict public health standards. Please note that this product is part of a new line and is not compatible with original Elements Series products.