Ergotron LX Dual Stacking Arm Tall Pole - Desk mount for 2 LCD displays - aluminium - white - screen size: up to 40" : Amazon.co.uk: Electronics & Photo
Ergotron LX Dual Side-by-Side Arm - Mounting kit (desk clamp mount, grommet mount, 2 articulating arms, 2 extension brackets) for LCD display - screen size: up to 27" - desktop stand :
Ergotron LX Side By Side, #review of the best multi-monitor setup we've tested | GameIt ES - YouTube
Ergotron 45-245-224 LX Dual Side-by-Side LCD Monitor Arm - Black - for Screens up