The Cambro ESR1836151 is a durable shelving ledge designed for Camshelving® Elements. Measuring 18 inches wide by 36 inches long and standing 4-1/4 inches high, this full shelf rail kit enhances storage stability and organization. It includes two double level side rails and two double level end rails, along with side and end brackets for easy installation. Constructed from polypropylene in a soft gray color, it offers both strength and a sleek appearance, making it ideal for various commercial and industrial settings.