Compatible with nearly all 19" rack mountable equipment. 4U hinged design allows 180 degree swing out. Extendable depth from 9" to 13" Cutout in rear for cable pass-through, 19" width x 7.75" height x 9" depth. Durable solid steel construction meets EIA-310 19" rack standards, black finish. Includes (8) cage screws and nuts for mounting equipment into the rack