The Fellowes Lotus??? Single Monitor Arm raises monitors to an optimal viewing height to prevent neck strain and free up valuable workspace - for use only with the Fellowes Lotus??? Sit Stand Workstation. It is easy to mount via grommet hole allowing for quick set-up and holds a monitor up to 27&#39;&#39; and 7kg. The Fellowes Lotus??? Single Monitor Arm meets VESA mounting standards. The Single Monitor Arm adjusts in height up to 40cm above the top surface of the Lotus??? Sit Stand Workstation and the monitor will stay in place when you lift or lower the Sit Stand Workstation.