North Bayou Dual Monitor Desk Mount Stand Full Motion Swivel Computer Monitor Arm Gas Spring fits 2 Screens up to 27'' 14.3lbs Each Monitor TWO MONITORS AT ONCE: Dual monitor stand F180 will give you a higher level of productivity. Two monitor arms will increase your opportunities by giving you one more monitor for your needs FULLY ARTICULATING MOUNT: Both arms of the desk mount can be easily adjusted anyway you would like. Your two screens will have 360 degrees rotation, tilt angle +35 to -50, swivel 180+ COMPATIBILITY: Dual monitor mount fits two screens 17 to 27 in size and 14.3 lbs in weight each with 75x75mm or 100x100mm backside mounting holes (VESA) DESK CLAMP OR GROMMET: You can choose one of two available ways of installation  C-Clamp or Grommet mount. The diameter of the hole in your desk must be between 10mm-50mm and your desk thickness must be between 0.8 - 3.7 inch INTEGRATED CABLE MANAGEMENT: Keep your power and AV cables clean and organized with our cable management system