The MH-4-CD is a rackmount media holder with metal dividers, designed to provide an easy way to organize CDs and DVDs. The media holder mounts in 19-in W EIA racks and is ideal for applications where presentation equipment is shared between rooms in schools, hospitals and medical facilities, or for permanent installations in training facilities, reference libraries, conference centers and boardrooms. Sturdy housing is fully-welded, 16-gauge US steel with durable black powder epoxy finish. The MH-4-CD holds up to 40 discs and installs easily to the front mounting rails of 19 -in W racks using 10-32 hardware (not included).