- 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 / T7534 / BT7535)- For 200x300 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