SUPTEK Single Gas Spring Monitor Arm, Modern Computer Desk Mount with 18.7" Max Height, Swivel & C-Clamp, Heavy Duty Holder for 17-35 in Screens Up to 22 lbs, Assembly Required, Improving Posture for Professional Workstations, Monitor Arms

Compatibility: The single monitor mount has been completely redesigned to fit most screen sizes, up to 35'' and 24.25 lbs with 75x75mm or 100x100mm backside mounting holes
Upgraded-Flexible Gas Spring Arm: The monitor mount with a gas spring system tested 30,000 times to ensure long-lasting performance for your workspace. The monitor arm can extend up to 21.65" long. The height can be adjusted according to the “+” and “-” signs on the gas spring arm of the stand, with a maximum height of 18.7 inches. Our monitor arm can be adjusted to the best position that suits your sitting or standing style, improving your posture for productive work
Full motion: This monitor stand features a newly upgraded arm that allows for more flexible rotation. Easy height adjustment, rotate 360°, tilt ±80° up and down, swivel ±90° left and right
Two install options: C-clamp and optional grommet base (fits desk up to 3.85" thickness) save your valuable desk space
Easy installtion: Step-by-step user manual and organized hardware kit for hassle free mounting. If you have any questions about the monitor stand, Suptek will provide you with professional guidance and timely after-sales service