In my gelieftem product, unfortunately I had several occasions to drill holes in the wall until it is reasonably level, First, I have brought the surface for screwing, in beautiful Lot and Libra. When I hung up the TV, he depended totally on the side with 5% inclination .... Then I had the face adapted to be screw mount inclined to feel now the TV is level when I turn him to the wall with 90 degree it depends again although the side wall in the lot is ... So I think that the holder has moved to itself.
CONCLUSION Stable, price ok, attaching very modest .... If I have to pick a new iwann holder, this product would be more the last election, the attachment wegn