Economical And Reliable Monitor Arm Desk Mount – AVLT premium heavy duty single arm mount with integrated mechanical spring system, quick-release VESA plate for simple screen installation and toolless cable management for a tidy setup. Fits 17" To 45" Screen - Single monitor desk mount fits most flat/curved/ultrawide computer monitors up to 26.4 lbs (12 kg) in weight with VESA 75x75mm, 100x100mm, 200x100mm or 200x200mm mounting holes. NOTE: Please ensure you use the VESA screws that came along with your computer monitor or TV as this product does not include all screw sizes. Ergonomic Viewing Height: Premium mechanical spring monitor arm assists height adjustment from 8.5" to 19.9" (215mm to 505mm). Adjusting the monitor adapts to your posture by arm extension, vertical tilt, horizontal swivel, and landscape or portrait rotation. Space Saving - Maximizes desk space by lifting monitors off the surface, enabling more efficient use of your work area by reducing clutter. On-The-Fly Adjustments - Robust VESA Assembly provides smooth adjustments with monitor tilt, rotation and swivel.