The RX14-30SFD mobile cabinet is ruggedly constructed of 16-gauge CRS and includes heavy-duty casters. Equipped with a front pair of 11-gauge, CRS adjustable mounting rails tapped 10–32 on standardE.I.A. 5/8"- 5/8"-1/2" spacing.Optional RR14 rear mounting rails are available for additional support. Front-to-rear mounting rail supports have slotted cutouts to easily adjust rail depth and to provide open raceways for containing vertically run wire and cable. Cabinet is 30" deep and has a vertical panel space height of 24 5/8". It features one pair of recessed, hinged, and rubber-padded steel grips on each side (four total) for transport convenience.Easy wiring access is provided through three wire isolation holes (two, 1 1/2" diameter, and one oblong 1 1/2" x 3") in the rear base flange. The units’ four, oversized, heavy-duty casters, two of which are locking, ensure smooth mobility, and have a load capacity of 175 lb. each – 700 lb. total weight capacity.Also include vented and removable locking doors, as well as vented top-front and top-rear flanges. Surface mounting front door is 1" deep to provide clearance for equipment knobs and handles which protrude up to 1 1/2" from the front of the rail. Cabinet is finished in #962 black epoxy.