Dihl Single Computer Monitor Arm Mount Desk Stand "13-27” Please ensure that your monitor has compatible VESA mounting holes at the back prior to purchase, and that it meets the requirements below: Measure the distance between the two top or bottom mounting holes; this should be 75 mm or 100 mm. Free up some desk space and keep your desk looking tidy with the Dihl Single Desk Mount. With its +45° to -45° tilt, 90° swivel and 180° rotation you are sure to be able to find the optimum position for your monitor to make its use as comfortable as possible for you. The plates are removable, making installing them onto the back of your monitor or TV a breeze.