Ergotron Desk Mount for Monitor - Polished Aluminum - Adjustable Height - 2 Display(s) Supported - 40in Screen Support - 40 lb Load Capacity - 100 x 100 VESA Standard

Position monitors for maximum ergonomic comfort with unparalleled range of motion Easily turn one or both screens from landscape mode to portrait mode-view entire pages without scrolling Patented Constant Force lift-and-pivot motion technology Passes Ergotrons 10,000-cycle motion test, which ensures years of trouble-free height adjustment Helps reduce eye, back and neck strain 22in (55.9 cm) tall pole provides configuration flexibility. Ideal for larger displays Add a third or fourth display using the accessory LX Arm, Extension and Collar Kit Two-piece mounting clamp has keyhole-shaped holes for quick assembly and two clamping screws for secure installation Folding arms free up space in constrained areas