Increased Stability for Heavier Ultrawide Monitors - The upgraded base, built-in premium gas spring and large arms make this dual monitor stand more stable so it can securely hold two 13-35 screens weighing up to 26.4lbs. Compatible with VESA 75x75mm and 100x100mm. Longer and Taller Arms - This dual monitor mount comes with enlarged arms that extend up to 25.59" which is perfect for deeper, larger desktops. It can be easily raised up to 21.65", providing you with more comfortable height adjustment.