Compatibility: Fits most flat panel monitor up to 38” and supports weight up to 22lbs. Mount plates detachable and height adjustable adapt to mounting holes 75x75mm and 100x100mm Extra Tall Pole: The 39” height pole provides you with more adjustment space and allow you to add more arms if needed. Double efficiency and productivity by opening up desk space allow working in a more correct position to reduce neck and eye strain Multiple Adjustment: The extra tall monitor arm extend and retract, +/-90° tilt and swivel to change reading angles, and 360° rotate from landscape to portrait mode Multiple Adjustment: The extra tall monitor arm extend and retract, +/-90° tilt and swivel to change reading angles, and 360° rotate from landscape to portrait mode Package Includes: WALI Extra Tall Single Monitor Mount x 1, Mounting Hardware Kit, User Manual, experienced and friendly US based customer support available to assist 7 days a week