The MetroMax® 4 Stackable Shelf Ledge measures 42"W x 2"H and is designed for easy attachment to the back of shelving units. Constructed from durable polymer and stainless steel, this ledge provides reliable support and organization for your items. Its NSF certification ensures it meets strict public health standards, making it suitable for various commercial environments. The snap-on design allows for quick installation and reconfiguration, enhancing the versatility of your shelving system.