The Cambro CBR2130151 is a Camshelving® Basic Plus Full Shelf Rail Kit designed to enhance your shelving system. Measuring 21"W x 30"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 organization for your shelving, ensuring items remain securely in place. Ideal for commercial kitchens and storage areas, it combines functionality with a sleek design.