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Ergotron LX Monitor Arm Tall Pole Extension and Collar Kit



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.

To support a laptop, also order the Notebook Tray – Ergotron LX Notebook Tray

Includes LX arm, extension, pole collar, cap and attachment hardware.

Screen Requirements:

  • Screen/Monitor must have Standard VESA Mount (100mm x 100mm & 75mm x 75mm)
  • To support a laptop, order the Notebook Tray (see LX Notebook Tray link above)
  • Weight capacity: 3.2-11.3kg
  • With monitors heavier than 9.1kg, the vertical range of motion may be reduced up to 110mm for a total height range of 220mm
  •  In multi-monitor configurations, maximum weight capacity may be reduced (see LX Dual Stacking Arm link above)


  • Arm extended reach: up to 609mm
  • Vertical height adjustment: 330mm
  • 360° Rotation, 360° Pan and 75° Tilt
  • Product Weight: 2.1kg


  • Arm can be used with or without Extension; attaches directly to pole or at end of Extension
  • Quickly view multiple files and data for more efficient working
  • Cable management routes cables under the arm, out of the way
  • Quality design, built for years of use (by passing the 10,000-cycle motion test)
  • Warranty: 10 years

How to place an order:

You will need to select the colour – White, Matte Black or Polished Aluminium – from the drop down above.

Then add your item to your cart.

Additional information

Weight 3 kg
Dimensions 44 × 20 × 17 cm