First drawback: The surface on which the quick-release plate is screwed onto other surfaces is not flat. A screw is downward. Thus, the plate would tilt head are always on my pan in an inclined position.
Second drawback: A bolt was not tightened correctly - not too bad. But even after tightening the screw, I always had a queasy feeling when my beloved camera should be held only through this component.
I could know in advance: quality you have to look and from 20 well-known manufacturers, because there they are also found. The quick release plate is recommended to anyone who wants to spend any money and no high quality standards has.
