Easy Assembly- This dual wall monitor mount fits both wood stud and solid concrete walls. Please note that don't install into drywall alone. When installing this monitor VESA mount on the wood stud wall, Please don’t use the anchor in drywall or wood. While installing on the solid concrete wall, the provided anchor is needed. Comes with all necessary hardware and instructions, this wall monitor mount can be installed within 10 minutes. Most Advanced Gas Spring System - This monitor wall mounts for 2 monitors is built for thousands of movement by passing 10000-cycle tests, which achieves flexibility and stability than traditional mechanical spring. It can be adjusted to the weight of your monitor creating a suspended free-float effect. Please adjust it according to your monitor weight before use. Free Up Your Desktop Space - This double monitor wall mount hold your monitor on the wall, free up much valuable space on your desk. The easily detachable integrated cable management system helps keep AV and power cords out of sight and organized. Wide Compatibility - This dual monitor wall mount widely fits 13 15 17 19 20 22 23 24 27 30 32 inch computer screens with 75x75mm or 100x100mm VESA patterns, each wall monitor arm holds 2.2-17.6 lbs. Full Motion Adjustments - Adjustable wall mount dual monitor offers +90° to -45° tilts, 180°swivel, and 360°rotation. The monitor arm can be extended up to 19.04", which supports you a more optimal viewing angle, and helps to reduce the pain in your neck, shoulders, and back.