Middle Atlantic RSH4A4X Four Space Anodized Black Brushed Custom Rack Shelf - 17.5" DeepPlease specify which product you wish to custom mount when ordering. The RSH 4A Custom Rackmount Enclosure (Black Brushed and Anodized) from Middle Atlantic is a flexible solution that lets you mount virtually any non rackmount component in a standard 19 rack or enclosure without making any modifications. The solution is made possible by custom cutting the face of the rackmount unit to work perfectly with the piece of equipment that you specify. The