Convert an existing LX Arm to hold two, three or four monitors, creating a stacked multi-monitor configuration. This kit easily attaches to the pole of the desk mount base.

Recommended for use with the LX Arm, Tall Pole.

• Easily add a second, third or fourth display to your LX desk mount to hold another monitor or laptop computer
• Cable management feature routes cables under the arm, out of the way
• Easy to use: Simple installation and effortless operation
• Patented Constant Force lift-and-pivot motion technology
• Passes Ergotron's 10,000-cycle motion test, which ensures years of trouble-free height adjustment