Compatibility: Fits most flat panel monitor up to 32' and supports weight up to 22lbs. 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 3' thick desk. Multiple Adjustment: The high-grade arms extend and retract, +/-90° tilt and swivel to change reading angles, and 360° rotate from landscape to portrait mode. Double Benefits: Monitor arm is easily adjustable on the 16' height pole. Double efficiency and productivity by opening up desk space allow working in a more comfortable, ergonomically correct position to reduce neck and eye strain. Package Includes: W Single Monitor Mount (White) x 1, Mounting Hardware Kit, User Manual, experienced and friendly US based customer support available to assist 7 days a week.