Loctek Full Motion Gas Spring Arm Monitor Wall Mount Fits 10"-24" Monitor (DW5W) Make sure that the VESA holes measure 100 x 100mm or 75 x 75mm and the weight of the monitor is within 3.3-11 lbs. Tilt angle:-15 degree- 15 degree. Swivel angle:180 degree The length of the first arm is 8.5''(215mm) and the other arm is 13.9''(353mm). Easy to install. Sets up in minutes. The horizontally Extended length of the arm is up to 22.4'' and the vertically adjust height range is -2.6" to +9.2".