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, Pack of 2. Rack Units: 1U Dimensions: 17.6″W x 1.75″H x 10″D