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 adjustmenton each universal display adaptor bracketfor post-installation leveling and heightadjustment fine-tuning Horizontal display adjustment up to 6.00"(152mm) for centering display on wall Landscape to Portrait mounting options increases installation versatility. Pleasecheck 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 SF640 For mounts requiring standard hardware,installed with a Philips screw driver, please purchase SF640P The SmartMount® Universal Flat Wall Mount serie