The Metro PRL21-2S is a durable shelving ledge designed for the Super Erecta Pro system. Measuring 21 inches wide and 2 inches high, this ledge is constructed from a combination of polymer and stainless steel, ensuring both strength and longevity. It is NSF certified, making it suitable for use in commercial kitchens and food service environments. The stackable design allows for easy organization and maximizes storage space, providing a practical solution for keeping items securely in place on your shelves.