This incredibly versatile product supports up to one 26" monitor with a maximum weight of 22 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!The monitor has 360º rotation (meaning landscape, portrait, or anything in-between)Also included is a +90/- 20º tilt up and down!Extremely Adaptable range of motion ensuring maximum user comfortHeight adjustable, with a maximum height of 16.5" from the desk to the center of the mounting deviceBenefits 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!)