The Ergotron WorkFit-A Single LD Sit-Stand Workstation is ideal for corner workstations. It clamps to the rear or side of most surfaces and enables an effortless sit-and-stand work style. Fold the keyboard up and swing the arm out of the way when you need your desk surface.The Ergotron WorkFit-A Single LD Sit-Stand Workstation lets you change from a sitting to a standing position whenever you want. This height-adjustable workstation moves your keyboard and display in one simple motion, making computing comfortable for prolonged periods.