The Ergotron LX HD Sit-Stand Single Monitor Arm is a polished aluminum wall mount designed for one monitor with a screen size of up to 49 inches. It offers articulated adjustment for customized viewing angles and fits various VESA sizes including 75x75 mm, 100x100 mm, 200x200 mm, and 200x100 mm. This sleek silver arm is suitable for mounting a single monitor securely on the wall, providing a stylish and functional solution for improving workspace ergonomics. Made in China by the trusted brand Ergotron, this monitor arm is a reliable and high-quality choice for any office or workspace setting.