The Cambro CBR2148151 is a Camshelving® Basic Plus Full Shelf Rail Kit designed to enhance your shelving system. Measuring 21"W x 48"L x 4-1/4"H, this kit includes two double level side rails 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, this rail kit provides added support and stability for your shelving, ensuring items are securely held in place. Ideal for commercial kitchens, storage areas, or any space requiring organized shelving solutions.