Ergotron 45-405-026 WorkFit-LX Sit-Stand Desk Mount System, Mounting Kit, Polished aluminum Easily extend or retract the arms for precise control of the distance between the keyboard and screen Modular design allows you to configure the system to suit your specific requirements Compact footprint - fits in tight spaces including corner desks Focal distance is easily changed, making it well suited for use with larger monitors Cable management Features route cables under the arms, out of the way