Ergotron LX Desk Monitor Arm Aluminum, supports up to 34-inch monitors (3.2-11.3kg), VESA compliant, 45-241-026 Color: Silver Purchased new from Amazon and used for several years for telework. This is a used item, so there may be some dirt and scratches. The instruction manual is also included. All accessories are shown in the photos. This is a single monitor arm that can accommodate monitors up to 34 inches and weighing between 3.2kg and 11.3kg. It utilizes patented Constant Force technology, which uses spring force and is not subject to aging, allowing for smooth adjustment of the monitor's position. It folds compactly when not in use, freeing up desk space. The LX Desk Monitor Arm is manufactured under Ergotron's strict quality control and is designed for long-term use.