Server Rack Cabinet Shelf - 1U 19" Server rack cabinet shelf 12" deep/ EIA/ECA-310 compliant for universal fit in any existing server/AV cabinet or enclosure/w/cage nuts and screws for mounting - The durable design cantilever tray is easy to install and with 2.0 mm SPCC commercial cold-rolled steel holding up to 55lb - For flexibility shelf mounts in multiple orientations w/lips on one side to prevent equipment sliding off - Compatible w/StarTech.com racks plus brands like HP APC Dell w/24 hr tech support. This product ships in approximately 1 days