COMPATIBILITY: Most desktop monitor mounts with a 1.375inch(3.5cm) diameter center pole. (pole not included). Fits one monitor up to 27 inches, supports weight up to 22 lbs, 75 x 75 mm to 100 x 100 mm. List: M001, M002, M003, M004, MF001, MF002, MF003, M001XL, M002XL, M001LP, M00LP and MLP01. Design: High-grade arms extend and retract, tilt to change reading angles, and swivel from landscape to portrait mode. DYNAMIC: The monitor arm can be easily adjusted for more comfort when working, ergonomically correct position, and reduces the burden on the neck and eyes. Colour:Black Material:cold rolled steel plate Package Contents: 1 * Adjustable Arm 1 * Mounting Hardware Kit 1 * Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.