Kensington Smartfit Dual Monitor Arm MountDescriptionSpecificationsShipping With more than 20 years of expertise creating professional level ergonomic solutions, Kensington has created the SmartFit Dual Monitor Arm Mount. It allows you to add a second display to your desktop, which studies have shown can have a significant impact on daily productivity. With two fully adjustable arms that hold up to 24 inch monitors, you can use our patented SmartFit system to find your optimal height setting