FLEXIMOUNTS Heavy duty Dual Arm Full Motion LCD Stand Desk Mount for 11-15.6 inch Laptop with Notebook tray and 10-27 inch Samsung/LG/HP/AOC/Dell/Asus/Acer Computer Monitor 8.8-22 lbs weitht-bearing/per arm M6H+N1 Please check the vesa hole (75X75mm or 100X100mm)and the weight (8.8-22 lbs for each monitor) of your monitor before buy this mount. 85 degree upward, 15 degree downward Loading weight-bearing:8.8-22 pounds/per arm Desk mount for both 11-15.6 inch laptop with notebook tray and 10-27 inch computer monitor or for 2 LCD 10-27 inch monitors It can work both clamp and grommet. The mount can clamped to desk within 0.98-4.72 inch(25-120mm) thickness or grommet to the desk with the size of the hole:0.33''-2.75''(8.5mm-70mm).