Monitor mount accessory Ergotron 98-729-290 Aluminium Steel White

The Ergotron 98-729-290 Aluminium Steel White monitor mount accessory is a grommet-mount conversion kit that lets you install LX Pro arms through a suitable desk grommet hole. Made from aluminium and steel, the kit provides a large base and a tall pole to create a stable, flexible support for single or dual monitor configurations. The product is finished in white and is supplied as a compact packaged unit with a long manufacturer warranty.

Advantages

This accessory offers a solid, corrosion-resistant combination of aluminium and steel for reliable support while remaining relatively lightweight at 1.8 kg. The large-size base and taller pole increase stability and allow greater freedom when positioning LX Pro monitor arms. The white finish integrates cleanly with modern desk setups and the included warranty provides extended confidence in long-term use.

Suitable for

• Mounting Ergotron LX Pro monitor arms through a desk grommet hole
• Single or dual monitor setups requiring a stable base and taller pole
• Office and home workstations with compatible grommet openings

When it may not be suitable

This grommet conversion kit requires a compatible grommet hole in the desktop; it is not intended for direct clamp mounting. It may not be appropriate for desks without a grommet or for installations that demand different pole heights or base dimensions than those provided.

Key specifications

• Materials: aluminium and steel
• Maximum supported weight: 20 kg
• Product weight: 1.8 kg
• Color: white
• Package dimensions (HxWxD): 400 mm x 250 mm x 170 mm
• Warranty: 10 years

How to use

Install the kit by inserting the grommet bolt through a suitable desk grommet hole and secure the large base and tall pole according to the included assembly instructions. Attach the LX Pro arms to the pole and adjust arm positioning and monitor orientation until the desired height and viewing angles are achieved. Ensure all fasteners are tightened and confirm stability before mounting monitors.

What to consider before purchase

• Check that your desk has a compatible grommet hole for grommet mounting
• Confirm the combined monitor weight does not exceed the 20 kg capacity
• Ensure the white finish and base size fit your desk layout and aesthetics

Recommendations

For safe long-term use, verify grommet hole diameter and desk thickness against the kit specifications, tighten all connections securely during installation, and periodically inspect mounting hardware and arm joints for wear or loosening.