The Cambro CSMHDTKE6000 is a High Density Track Extension Kit designed for Camshelving® Premium Series High Density mobile units. This 6-foot kit includes two aluminum raised tracks, ensuring durability and stability for your shelving system. It also comes with a joiner kit that features two joiners and all necessary hardware for easy installation. Enhance your storage capabilities with this reliable extension kit, perfect for maximizing space efficiency in any commercial setting.