Dual Monitor Desk MountBrand: WALI Color: Black Features: Compatibility: This dual monitor mount fits most flat panel monitor up to 27 and supports weight up to 22lbs per arm. Mount plates detachable and height adjustable compatible with VESA mounting holes 75x75mm and 100x100mm. Multiple Options: Two stage locking system C Clamp and 4 diameter Grommet Base, both systems are compatible with 4 thick desk. Multiple Adjustment: The high grade arms extend and retract, + 90 tilt