Startech Desk Mount Monitor Arm Vesa/Apple Imac/Thunderbolt/Ultrawide Display Up

(It supports a monitor up to 30" (16:9) or up to 49" (32:9 / ultrawide), with an articulating arm that makes it easy to adjust your screen.Versatile Use Use the single monitor desk mount to mount your VESA mount monitor (75x75, 100x100) up to 30" (16:9) or up to 49" (32:9 / ultrawide)).

eBay