In conjunction with the Manfrotto tripod 055XPROB to ground-level shots can be realized and the head convinced in all positions.
With an extra wheel can adjust the mobility (of easy to difficult to move) of the head. With only a set screw (on the right), the head is then brought into the desired position.
Another ingenious features is that the Stativkopf- plate has two mounting fasteners. Thus, it is not possible that you accidentally that drive solves and may fall off the camera.
This tripod head is an absolute buy recommendation. In conjunction with the Manfrotto tripod 055XPRO B a "good team".
For discerning photographers a real buy recommendation.