The Cambro CPR21363151 is a premium shelving ledge designed for Camshelving® systems. Measuring 21"W x 36"L x 4-1/4"H, 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 durable polypropylene, the soft gray finish complements various environments while providing reliable support for your shelving needs. Ideal for maximizing storage space and ensuring items remain securely in place, this shelving ledge enhances organization and accessibility in any setting.