Ergotron LX 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.