L-com's Hinged Wall Mount Racks are designed to mount directly to any wall with the included mounting hardware. Once you install your panel or equipment the hinge allows you to swing them out for easy access to the back of them. The 2U (3.5"), 3U (5.25") , 4U (7") & 6U (10.5") also have rear openings to make accessing your cables easier if being routed through the wall to hide unsightly cable runs. This Hinged Wall Mount Rack has a Depth of 6 inches and supports all standard 19" rack mount panels that do not exceed that depth. These Racks are ideal for mounting your patch panels, switches, or other 19" rackmount devices in your home, office, or data center. they are made from cold rolled steel and coated in black powder, making it sturdy, resistant to corrosion, and light weight.