Improved Stability for Ultrawide Monitors: The upgraded dual monitor stand combines solid aluminum arms, a larger base, and a unique dual C-clamp design built to support heavier monitors. It securely holds two 13 40 screens weighing up to 26.4 lbs and supports VESA 75×75mm or 100×100mm. Taller & Longer Arms: Our dual monitor mount uses NITROGLIDE technology for smooth and precise adjustments. It comes with enlarged arms that can be easily raised up to 21.1, offering a more comfortable viewing experience for users of any height. It can also be extended up to 25.59 for deeper, larger desks. Full Motion Adjustments: This heavy-duty dual monitor arm lets you swivel your screens from -90° to +90°, tilt from -30° to +85°, and rotate 360°. Easily position your monitors at the perfect angle for maximum comfort and productivity. Flexible Mounting and Convenient Charging: The dual monitor stand supports both clamp and bolt-through grommet mounting for desk thicknesses up to 3.54.