The Ultra 550 LCD arm with Paralink adjustor allows the full articulation of the LCD. This 550 folds up and extends 20" (50.8cm) from the mount to the LCD, having two articulating 11" (27.94cm) arms. The monitor can be adjusted 6" vertically. This wall mounted model has a liftable HDPE keyboard tray. Machined out of billet aluminum, this unit is powder coated gloss white for a durable, lasting finish. Hand assembly ensures that a quality product is shipped to you.