Mount-It! Monitor Arm Full-Motion Gas-Spring Height Adjustable Desk Mount Stand for Single LCD Computer Screen, up to 27 Inch Monitors, VESA 75 100, 13.2 Lb Max (MI-761) Innovative desktop PC monitor desk riser that mounts Samsung, Acer, Viewsonic, LG, Dell, HP, Asus, AOC, eMachines flat panel LCD and LED displays from 13 to 27 inch (13, 15, 17, 19, 20, 22, 23, 24 and 27 inch monitors). Compatible with VESA 75 (75 x75 mm) and VESA 100 (100 x 100mm). VESA pattern is the square bolt hole pattern behind the monitor and measures typically 3 inch by 3 inch or 4 inch by 4 inch. Spring arm is height adjustable to 11.5 inches between lowest and highest position of the arm. Gas spring offers variable counterbalance to the weight of the monitor, making it incredibly easy to change monitor height with the touch of a finger. Built-in spring gauge can be adjusted to suit various monitor weight. When the spring arm is fully lifted the max monitor center height is 16 inches from the top of the desk. Improve the ergonomics of your office workstation and reduce neck, shoulder and back pain by raising monitor to an ergonomic height on your desktop, depending on your sitting position. 360 degree articulating arm gives you the freedom to turn the monitor to another person to share your screen. Heavy-duty design supports up to 13.2 lbs. Heavy-duty C-clamp securely holds the monitor arm in place. This monitor stand can be mounted on tables up to 4 inches thick. Arm comes with cable management channels. Depending on the user and desk height, this mounting bracket may be used for sit-stand desk applications. Made from solid steel and Aluminum for durability, heavy-duty function and sleek look. Full motion capability; height adjustment through spring arm, swivel/articulating at each arm connection, tilt and rotate at the monitor holder. You can change monitor orientation from landscape (horizontal) to portrait (vertical) format in seconds without removing the screens.