Brand New Full Motion Monitor Mount Dual Desk Mounts Stand for 2 Screens up to 27 inches LCD Monitor 1. Innovative desktop PC monitor desk riser that mounts flat panel LCD and LED displays from 10" to 27" . Compatible with VESA 75 x75 mm and VESA 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. 2. Dual arms are height adjustable on the vertical pole. Each monitor can tilt up 85 degrees or down 15 degrees, swivel 360 degrees and rotate 360 degrees. Rotating the monitor holders allows landscape or portrait positioning. No need to remove the monitors to change positions. 3. Improve the ergonomics of your office workstation by raising to monitors to an ergonomic height on your desktop, depending on your sitting position. Avoid neck, shoulder and back pain by improving your posture. Articulating arms gives you the freedom to turn the monitors to another person to share your screen. 4. Heavy-duty design supports up to 22 lbs per monitor. C clamp base has integrated double lock that ensures stable mounting onto the desks. This multi-monitor stand can be mounted on tables up to 4 inches thick. Arms come with clips for cable management. 5. Mounting two monitors side by side, over the desk will improve your productivity by preventing the need to switch screens for different applications. It will also clear up space on the desktop for your keyboard, laptop or other items. Depending on the user and desk height, this mounting bracket can be used for standing desk applications. The pole measures 17.7 inches.