The NEW F160 - is a dual arm monitor stand by North Bayou. Fits most LCD LED monitors 17" to 27" and supports up to 9kg per each monitor. It is made from air-craft grade aluminum alloy material, what makes this desk mount light and reliable. Thanks to its gas spring system you can easily move your displays in any direction. The two monitors also have adjustable height. These full motion two monitor arms will give you all possible viewing angles you like. Modern design of F160 will suit perfectly well anywhere you want. Use it in your office, class room or at home. This stylish and functional table mount will help you with your work twice as good, because the second monitor is a real advantage. Please take note: 1. It is not possible to adjust the arms of the desk mount before complete installation. 2. Our Dual monitor mount fits two screens 17" to 27" in size from 2kg to 9kg in weight each with VESA patterns 75x75mm or 100x100mm. 3. The diameter of the hole in your desk must be between 10mm-50mm and your desk thickness must be between 20mm - 95mm. NOTE: If you are not satisfied with our product, for any issues or concerns you can contact us at any time directly. Feel free to ask a return and full refund. We want to prove the best service to our customers! How to install Step 1:Choose the way you want to install the F160 Desk Mount: Grommet or Clamp. Step 2:Measure your desk thickness or the diameter of the hole in your desk and install the desk mount. Step 3:Measure your monitor VESA pattern, choose the right set, screw the upper position in two holes, leave some space and hang up to the mount, tighten those two screws then the last two. Step 4:Gently push a little bit down your TV or computer monitor, adjust the arm tension by using the included allen key until your TV stays wherever you leave it. Turn the wrench clockwise or counter-clockwise as indicated.