If you have any pre-sale and after-sale need to know about the product, you can contact us, we will help you to solve the problem.Wall Mount Monitor Bracket Arm Aluminum Ultra Long Mechanical Spring Arm Monitor Support Full Motion Monitor Holder Mount Bracket, SilverProduct Name: Mechanical Spring 3Section Ultra Long Arm Wall Mount Monitor HolderMaterial: Aluminum Alloy, ABSSuitable for Monitor Size: 17"-27"Monitor Holder VESA: 75x75mm/ 100x100mmMax. Loading: 8kgHead Tilt: -15~ 75 degreesHead Rotation: 360 degreesHead Swivel: -90~ 90 degreeArm Swivel: 180 degreesTotal Arm length: 880mmInstallation: Wall MountColor: Silver, BlackPackage includes 3section long arm+ wall mount bracket+All necessary Accessaries.Note:1. Please check the size and color before purchasing.2. Does not include items other than those shown in the product photo.3. Please note that due to the different monitors, slight chromatic aberration may occur, please understand.4. The above data is for reference only, the size is manual measurement, each variable may be different, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us by email and we will resolve the problem as soon as possible.6. Welcome your sharing and feedback so that we can provide you with better products and services.7. Thank you for visiting my store, click to enter my store, there will be a lot of products for your reference.