WALI Single Monitor Gas Spring Desk Mount, Heavy Duty Monitor Arm for Ultrawide Screen up to 49 inch, 44 lbs with USB. Fully Adjustable, Mounting Holes 75 and 100 (GSMU001XL), Black

Design: Fits most flat or curved LCD/LED screen from 17 to 49, and supports up to 44lbs with 75x75mm and 100x100mm mounting holes. The two-stage locking system is compatible with 0.47"~1.97" thick desk for both C-clamp and Grommet Base.
Sturdy Construction: The high-grade material gas spring arm can be extended and retracted, +50°/-20° tilt and +90°/-90° swivel to change reading angles, and 360° rotate from landscape to portrait mode.
Double Benefits: Come with 2 easily accessible USB type-C port and USB Type-A 3.0 port. Open up available desk space can help to provide a new range of adaptable positions for your displays.
Ergonomic: Height adjustable to raise monitors to eye level, allowing you to work in a more comfortable, ergonomically correct position to reduce neck and eye strain.
Package includes: 1 x WALI Gas Spring Single Monitor Desk Mount (Black), Mounting Hardware Kit, User Manual, experienced and friendly US based customer support available to assist 7 days a week.