Middle Atlantic AXS-37 37U In-Wall Rack Extension, 20" DepthSecure Mounting: Middle Atlantic AXS in Wall System Extension Optimize your equipment storage with the Middle Atlantic AXS 37 in Wall System Extension. This robust system provides 37U of rack space in a standard model with a 20" depth, offering easy access and efficient cable management. Brand: Middle Atlantic Model: AXS 37 Rack Spaces: 37U Model: Standard Depth: 20" Mounting Type: 10 32 threaded Weight Capacity: 650 lbs (with proper weight