916-18 frame is uniquely engineered to provide assembled strength and shipping/storage economy. This low-cost, innovative unit features quick and simple assembly, and the versatility of the 916-18 allows the frames to be easily stacked or joined side-by-side, for mounting electronics in either free-standing or custom cabinet enclosures. The ingenious frame-only design maximizes space efficiency by enabling the unit’s entire vertical panel capacity to be used for mounting equipment. This frame, at 28" is ideal for theater, residential, broadcast, and retail applications where easy access to equipment mounted behind the-scenes, under desks or counters is desired. The frame of the 916-18 is intended for permanent installation where doors, side panels, and casters are not required. (Your custom side panels, however, may be added if desired). 916-18 is offered with 10-32 tapped rails.