This SmartRack cantilevered shelf supports monitors, power strips, PDUs, wireless access points and other network and IT equipment not typically stored in a rack. Made from heavy-duty cold-rolled steel with a durable black powder-coated finish, the SRWSHELF4P1U has a maximum load capacity of 22.2 kg. Its adjustable rails mount easily into 1U of space in EIA-standard 19" enclosures and open frame Racks using included hardware.