Loctek Heavy Duty Gas Spring Single LCD Arm Desk Stand Monitor (D7L) Fits lcd screens:10"-34" . Supporting: 13.2-33 lbs. 85 degree upward, 15 degree downward High-quality ball joint tilts and swivels your monitor Gas spring hovering system gracefully adjusts monitor height Front-loading ports for audio, mic & USB 3.0 Arm easily adjust to support an ergonomically correct workstation; sit more comfortably at your desk while reducing neck, eye and back strain Durable hardware supports clamp or grommet installation Cable management system organizes wires for a tidy desk Extend or retract monitor arm; rotate monitor to landscape or portrait mode