Tripp Lite's WWSS1327CP WorkWise™ Single-Monitor Sit-Stand Desk Clamp allows you to enjoy the benefits of standing for a portion of the day without using your entire work surface. Simply clamp the WWSS1327CP to the edge of a fixed-height desk or table from 1 to 3.35 inches thick. With a single touch, you can change the height of the workstation to improve ergonomics, promote health and increase productivity. Press the lever to raise or lower the pneumatic arm. All sections move together for smooth transitions between sitting and standing. Increase tension for heavier loads or decrease it for lighter items. The arm adjusts up/down 3 inches, swivels 150° and can rotate 360° to swing the workstation out of the way when not in use (swing range is 49.8 inches from front to back). Built-in cable management reduces cable clutter. Maximum weight capacity is 29 pounds.Single-arm mount holds up to a 27-inch flat-panel display (VESA 75x75 or 100x100 mounting patterns). Display can be rotated for horizontal or vertical viewing.Middle platform is 23.6 x 9.9 inches and keeps accessories within reach. At its lowest height, the platform is 1.2 inches above the work surface. It adjusts up to 20.9 inches above the work surface.Keyboard tray is 23.6 x 10.6 inches to hold the largest, most popular models. At its lowest height, the tray is 2.5 inches below the work surface. It adjusts up to 14.5 inches above the work surface. The wrist rest is removable. Plugs are included to fill exposed mounting holes.