This monitor desk mount is designed to support up to 27-inch 16:9 or 30-inch 21:9 display, creating an ergonomic area for productivity. The mechanical spring-assisted arm enables multiple adjustment to suit different ergonomic needs. The spring arm enables toolless height adjustment of up to 10.6in (270mm) with effortless one-touch motion. Adjust the height of the arm along the 10.2in (261mm) pole. The arm can extend up to 22.2in (590mm) from the pole. The quick toolless slide and click design makes assembly quick and simple. The pre-assembled desk clamp and pole can be easily secured by hand to the desk, saving total installation time. The articulating arm enables toolless adjustments of +/-180° horizontal swivel, 105° tilt, 240° pan, and 360° screen rotation on the VESA plate for portrait or landscape orientations. This flexibility enables users to customize the screen placement for maximum productivity and comfort.