Desk mount sit-stand monitor arm supports single VESA display up to 34in (17.6lb) - Stand up desk | horizontal articulating | 360 rotating screen - Height adjustable ergonomic standing workstation converter with folding keyboard tray - Clamp-grommet
StarTech.com Sit Stand Monitor Arm - Desk Mount Sit-Stand Workstation up to 34 inch VESA Display - Standing Desk Converter - Keyboard Tray
Tripp Lite WorkWise Desk-Mounted Workstation, Single Display - Desk Mount for Workstation, Flat Panel Display, Monitor, TV, Display Screen - Black