Ergotron HX Arm with HD Pivot

Ergotron HX Desk Monitor Arm with HD Pivot (black)

Ergotron - HX Single Ultrawide Monitor Arm with HD Pivot, VESA Desk Mount - for 1000R Curved Monitors Up to 49 Inches, 28 to 42 lbs - Matte Black

Ergotron HX Desk Monitor Adjustable Single Arm with HD Pivot, 49 Screen Support, White (45-647-216) | Quill