EASY INSTALLATION - The detachable base can be secured entirely from the top of your desk. GAS SHOCK SYSTEM - Freely raise or lower your screens to improve line-of-sight and reduce neck strain. UNLIMITED POSITIONS - Easily swivel, tilt and rotate your monitors for optimal viewing. WIDE RANGE OF SUPPORT - Fits any desk edge or grommet hole up to 2’ thick and supports monitors weighing 3.3 to 16.5 lb. CABLE MANAGEMENT - Conveniently route your cables to ensure a clean setup.