This 4 RU Hinged Wall Mount Bracket has rear openings and hinges to make accessing your cables easier. This Wall Mount Bracket supports all standard 19" rack mount equipment and can go any wall, saving space. This is ideal for mounting your patch panels, switches, or other 19" devices in your home, office, or data center. It is made from cold rolled steel and coated in black powder, making it sturdy, resistant to corrosion, and light weight.