Ergotron LX Arm, Extension & Collar Kit

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. Patented Constant Force lift-and-pivot motion technology. 

Benefits and Features:

• **Recommended for use with the LX Arm, Tall Pole (ETRN-45-549)
• Cable management feature routes cables under the arm, out of the way
• Easy to use: Simple installation and effortless operation

Warranty: 10 Years