Designed for LX Desk Arms: Upgrade an LX Desk Arm or LX Dual Direct Arm with a grommet mount to seamlessly mount your monitor arm to a desktop
Everything you need: Includes grommet plate, bolt, wing nut, cable ties and assembly tool; grommet mount attaches through a surface hole 0.3 to 2 inches wide and desks up to 2.25 inches thick
Workstation flexibility: Install your monitor arm at any location on your desk through a suitable grommet hole
Elegant look: Add a sleek look to your workspace by using a grommet mount instead of a desk clamp; edgeless design means no backplates drop below the worksurface, ideal for standing desks and desks positioned in open spaces
Built to last: Extensive quality testing ensures your grommet accessory holds up to everyday wear-and-tear; Ergotron products set the standard for quality with a 10-year warranty and expert technical support
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Overview
Specs
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Ergotron Grommet Mount for LX Single Arm.Install an LX arm in the middle of a worksurface.It easily attaches through surface holes .31in to 2in wide and up to 3in thick.Grommet mount is NOT included with LX single arm 45-490-216.Ten year warranty.
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First Listed on Newegg
April 10, 2026
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Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.