This incredibly versatile product supports up to two 24" monitors each with a maximum individual weight of 26.5 lbs. Not only will this strong and sturdy mount have no trouble holding VESA certified 75x75 or 100x100 monitors, (fitting the above criteria), it is also extremely adjustable!Each monitor can be placed at a different height to accommodate different sized monitorsBoth monitors have 360º rotation (meaning landscape, portrait, or anything in-between)Also included is a +/- 20º tilt in any directionIndividual adjustments for BOTH Monitors, ensuring maximum user comfortHeight adjustable, with a maximum height of 13" from the desk to the center of the mounting deviceStudies show that dual monitors can increase productivity by up to 50%Benefits of Clamp Mounting:Clamp Bases are an excellent mounting option! They are screwed onto the edge of a desk for maximum space. (Clamp bases require a lip on the desk 8-50 mm thick and 85 mm deep)They are the sturdiest mount of the three kinds (stand, clamp and grommet)They take up the least amount of desk space (So much more room for activities!)