Wide Compatibility Monitor Desk Mount: This dual monitor mount can hold two 13" to 32" computer screens weighing up to 17.6lb each. Compatible with 75 x 75mm and 100 x 100mm VESA mounting patterns. Hardware is included for both C-clamp mounting on desks 0.39" to 3.15" thick and grommet mounting on desks 0.39" to 2.17" thick. 2 Monitor Arm with More Viewing Comfort: Get a better viewing angle to improve neck, shoulder, and back comfort. The articulating arms of this dual monitor arm have a maximum height of 16.3" above the desk.