For components which require captivation, the MA-CR-4 clamping rackshelf offers an economical and highly functional solution. Equipped with rubber-lined clamps which secure your component from the top, it is outfitted with adjustable ?L? brackets in back to provide an optimally secure fit. Vented bottoms offer superior cooling, while a robust 16-gauge steel design maintains structural integrity even on the road. Racking height: 7" (4 space), Depth: 15-1/2".