The Cambro CBR21E151 is a durable shelving ledge designed for use with Camshelving® Basic Plus systems. Measuring 21 inches wide and 4-1/4 inches high, this end shelf rail kit includes one double-level end rail and end brackets for easy installation. Constructed from high-quality polypropylene, it features a soft gray finish that complements various environments. This ledge enhances storage capabilities by providing additional support and organization for your shelving units. Ideal for commercial kitchens, restaurants, and foodservice operations, it ensures stability and accessibility for your stored items.