VideoSecu supplies a wall mount extender plate MLEB to solve your choosing unsuitable TV mount problem. You can use this wall mount adapter with the mount which happened not to match the mount pattern on your TV. It can extend all VESA standard 200x200mm, non-standard and larger mounting hole patterns. It will convert 200x200mm to 300x300mm, 300x200mm, 400x200mm, 400x300mm, and 400x400mm, or add up to 200mm to the width/height of the arm. This set includes 4 adapter plates; each extends 50mm or 100mm. It has been tested to hold over 180lbs. But the actual loading capacity is limited by the wall mount. Please check the loading capacity of your wall mount before you apply this adapter.