Wall Mount Station: For monitor and keyboard setup featuring easy height adjustment using mechanical spring (monitor mount) and pneumatic spring (keyboard tray) technology to accommodate any position Fits 13' to 27' Screens: Wall mount is compatible with monitors 13' to 27' weighing up to 17.5 lbs with 75x75mm or 100x100mm VESA hole patterns and includes a 23' x 7' tray for your keyboard