Ergotron LX Extension and Collar Kit Mounting component (articulating arm, pole clamp, installation hardware) for LCD display screen size: up to 32"

Compatible with LX Desk Mount Monitor Arm Long Pole and LX Desk Mount Dual Monitor Arm Portrait and Horizontal Long Pole Visit the Ergotron website for more details Extension and Ring Set for LX Arm Converts an existing LX arm to accommodate two monitors, creating an LX double arm stack configuration Boosts productivity: Create a flexible yet stable two, three or four-monitor workstation to dramatically increase workflow efficiency; ideal solution for gaming, call centers, industrial spaces or fice where screen space is essential