Space-Saver Dual Monitor Arms feature an advanced Column Desk Mount system for the most complete range of motion. It minimizes the depth of monitors for shallow desktops while providing full range of motion for screen sharing and ergonomics. With dynamic height adjustment at 13" , these arms provide 5 to 25 lb. weight capacity per arm, floating monitors from 22" to 32" (diagonals) in optimal ergonomic position above the worksurface. Advanced Column system provides additional manual height-adjustment (7") and ability to expand and support up to three or four monitors. Fingertip Extreme Tilt technology ensures utmost flexibility for ideal positioning in either landscape or portrait orientation. Maximum extension is 22-1/2". Tilt range is negative 10 degrees to 75 degrees. Attach to a 1/2" to 2-1/2" thick desktop. Monitor Arms offer 75 x 75mm and 100 x 100mm mounting and Quick Connect Interface. Monitor arms also include Quick Connect Interface for easy installation and service.