All metal construction with a durable power coat finish, gives a sturdy 50+ pound weight capacity while having a protective barrier. These universal rack mount shelves has a front mount design and are vented to provide maximum airflow keeping components cool. Standard 19″ width format, making it compatible with various 19″ server racks and cabinets, Rack Units: 2U Dimensions: 17.35″W x 3.5″H x 16″D