Universal mount fits displays with mounting patterns up to 450 x 405mm (17.72' W x15.95' H) and accommodates up to 400 x400mm VESA mounting patterns Low-profile design holds display only1.20' (30mm)Up to 0.25' (6mm) of vertical adjustment on each universal display adaptor bracket for post-installation leveling and height adjustment fine-tuning Horizontal display adjustment up to 6.00'(152mm) for centering display on wall Landscape to Portrait mounting options increases installation versatility. Please check display dimensions against the wallplate when used in Portrait mode*Includes all necessary wall and display attachment hardware Integrated security options available Design is UL listed and tested to four times stated load capacity For mounts requiring theft resistant hardware, installed with security tool(included), please purchase SF640For mounts requiring standard hardware, installed with a Philips screw driver, please purchase SF640P