The Cambro CPR21543151 is a premium shelving ledge designed for Camshelving® systems. Measuring 21 inches wide by 54 inches long and 4-1/4 inches high, this kit includes one double level side rail and two double level end rails, along with the necessary side and end brackets for easy installation. Constructed from durable polypropylene in a soft gray color, it provides added support and organization for your shelving needs, ensuring items remain securely in place. Ideal for commercial kitchens, storage areas, or any environment requiring efficient space management.