Add a sturdy fixed shelf into almost any server rack or cabinet. This 1U shelf is 20 inches deep and fits any EIA-310 compliant 19-inch rack or cabinet. It is constructed from durable 2.0 mm SPCC commercial-grade cold-rolled steel, capable of holding up to 55 lbs (25 kg) of equipment. Accommodate accessories or non-mountable devices for easy access and connectivity. The shelf can be installed in two orientations: standard with the lip facing downwards or inversed with the lip facing upwards to prevent equipment from sliding off. Includes M6 square cage nuts and M6 screws for quick setup. Backed by a StarTech.com lifetime warranty and free lifetime technical support. Universal 19" fit, designed for IT, networking, or AV equipment from brands like APC, Dell, Lenovo and HPE. Supports a total weight of 55 lbs (25 kg).