FLEXIMOUNTS Dual Arm Desk Monitor Mount Fits Most 10"-27" LCD Monitor (M6H) Please double check the vesa hole (75X75mm or 100X100mm)and the weight (8.8-22 lbs. for each monitor) of your monitor before buy this mount. Tilt angle:-85 degrees-15 degrees. Swivel angle:360 degrees The Extended length of the arm is up to 20'' and the adjust height is up to 15.7''. Easy to install. Sets up in minutes. Clamps directly to desk It can work both clamp and grommet. The mount can clamped to desk within 0.98'-4.72''(25mm-120mm) thickness or grommet to the desk with the size of the hole:0.33''-2.75''(8.5mm-70mm).