Adapter plate for screens with fixings at 400 x 200mm 300 x 200mm or 200 x 300mm simple installation with all mounting hardware included for 400 x 200 or 300 x 200 use with any 200 x 200 screen mount bt7507 bt7532 bt7533 bt7534 bt7535 for 200 x 300 use with any 200 x 200 mount as above plus 200 x 100 mount bt7521 bt7522 bt7514 bt7515 use 2 x bt7540 with any 200 x 200 mount to achieve 400 x 400 vesa fixings m8 screen fixing screws included