For 200 x 200mm amp 200 x 100mm vesa mounting patterns adaptor plate for flat screens which have holes in 200mm x 200m or 200mm x 100mm patterns simple installation with all mounting hardware included must be used with a 75mm x 75mm 100mm x 100mm andor 200mm x 100mm screen mount bt7510bt7511bt7512bt7513bt7518bt7519bt7521bt7522 actual screen size and weight limit dependent on mount to which bt7502 is attached