The 420A series is a single display mount with a flexible arm that increases productivity by freeing up desk space with more efficient display positioning. Installation is quick and easy, and secures a display with a quick release mechanism. Instantly set the height of the display by raising or lowering it 12.6in. and tilting forward and back. Furthermore, the LCW420A can pan and rotate for a comfortable portrait or landscape viewing. Peerless-AV LCW420A Mounting Arm for Flat Panel Display is one of many available through Office Depot. Made by Peerless-AV.