The Cambro CBR18483151 is a durable shelving ledge designed for the Camshelving® Basic Plus system. Measuring 18 inches wide, 48 inches long, and 4-1/4 inches high, this kit includes one double level side rail and two double level end rails, along with the necessary side and end brackets for easy installation. Constructed from high-quality polypropylene in a soft gray color, it offers both strength and a sleek appearance, making it ideal for organizing and securing items on your shelving units. Enhance your storage solutions with this reliable and efficient shelving ledge.