Tripp Lite by Eaton SmartRack Sliding Steel Rack Shelf - 1U, Vented, 28.3 in. Deep, Holds up to 50 lb. (23 kg)The Tripp Lite by Eaton SmartRack Sliding Steel Rack Shelf is the ultimate space saver for busy data centers and edge deployments. Engineered as a 1U, vented shelf, it securely houses non mounted equipment inside a standard 19 inch rack while delivering effortless access through a smooth sliding mechanism. Whether youre mounting a wireless access point, a compact server, a monitor, or other non rack devices, this SmartRack shelf maximizes your rack