Ergotron LX Dual Stacking Arm, Extension and Collar Kit, Matte Black.

Upgrade a LX Monitor Arm to a stable multi-monitor solution for two, three or four monitors. This kit easily attaches to the pole of the desk mount base to hold additional monitors or a laptop computer for gaming, call centers, industrial spaces or finance applications.

For triple or quadruple monitor set-ups, use with the LX Dual Stacking Arm, Tall Pole.