The Cambro CPR2172151 is a Camshelving® Premium Full Shelf Rail Kit designed to enhance your shelving system. Measuring 21"W x 72"L x 4-1/4"H, this kit includes two double level side rails and two double level end rails, along with side and end brackets for easy installation. Constructed from durable polypropylene in a soft gray finish, it provides reliable support and stability for your shelving needs, ensuring items are securely held in place. Ideal for commercial kitchens and storage areas, this rail kit helps maximize space and organization.