Saves Space Each arm lifts, extends and rotates for the best view. Reclaim space by folding the arms and moving them aside. Dual Stacking Place two monitors, or a laptop and a monitor, on top of one another or side-by-side, allowing you to position each screen separately. Built to Last 10, 000-cycle tested designthe equivalent of moving the arm through its full motion range three times a day for ten years. Attachment Options Includes two attachment options: Grommet mount attaches to desks less than 3 inches ( 7.6 centimeters) thick via a 5/16 to 2 inch ( 0.8 to 5 centimeter) wide hole in the desk's surface Desk clamp attaches to the desks edge that is up to 2.6 inches (6 centimeters) thick Grommet mount is not included with the Matte Black or White 13-inch models


