The Cambro ESR18E151 is an essential shelving ledge designed for Camshelving® Elements. Measuring 18 inches wide and 4-1/4 inches high, this end shelf rail kit includes one double-level end rail and end brackets for secure installation. Made from durable polypropylene, it features a soft gray finish that complements various environments. This shelving ledge enhances organization and stability, making it ideal for both commercial and residential use.