Universal Compatibility: MOUNT PRO 4 monitor stand is designed for four most fits 13,19,21.5,22,23,24,27 flat and curved computer screen, hold up to 17.6 lbs per, compatible with VESA standard 75x75mm and 100x100mm Fully Adjustable: Quad monitor stand features +90° to -90° tilt, 180° swivel, 360°rotation.This full range motion monitor desk mount can be positioned or stacked in many different ways Ergonomic Viewing Height: Reach a height of 31.7, the extra tall pole is more practical for many situation.The viewing height can be adjusted flexibly.Choose sitting or standing position your want Desk Space Saver: MOUNT PRO vertical monitor desk mount fits most of desk thickness between 0.59 to 3.15.The cable clips can keep cables organized,helping you save table space and reduce clutter Easy Installation: We provide labeled parts and clear instructions for quick assembly.This monitor stand is easy to installation