HUANUO Dual Monitor Stand for 13 to 30 Inch Screens, Dual Monitor Arm Desk Moun

Swivel 180°, tilt from -35° to +80°, or rotate your screens a full 360° to achieve the perfect viewing angle for any task. Not only does this create a more valuable workspace, but it also promotes wellbeing by reducing neck and shoulder strain after extended periods of focus.

eBay