Extra Tall Pole Monitor Mount: The 39 center pole allows you to adjust the monitor between sitting and standing positions. Integrated cable management is included to keep AV and power cords clean and organized via clips along the arm and center pole Ultrawide Compatibility: This single-arm mount fits screens that weigh up to 22 lbs with VESA 75x75mm or 100x100mm backside mounting holes. This covers most monitors on the market between 13 and 32, as well as ultrawide monitors up to 38