Model A3015 is just what you need to make your laptop userfriendly. Simply place your computer on the holding tray: the arm renders it weightless. Features: - Gas cylinder “ floats” notebook above desk instantly raise and lower. - Rotates 360° at three joints. - Includes flex mount kit - No buttons or levers, simply move monitor to desired position. *The above Arm includes our FLEXmount Kit which offers six (6) mounting options which include DeskEdge, Thru-Desk, WAll Mount, Reverse Wall, Side Bolt, and Grommet Pole.