Advantageous I see in particular that the wiper lip can be obtained as a spare part, so that it is not a high-priced disposable products. The handling, I think, compared to a previous wiper with "normal handle" personally for practical as this is, and to keep this pleasant "direct".
The only drawback I see the gap between the metal body and the wiper lip: here is (min.) From lime, which I find a little spotty. However, as I also may wipe the wiper to its use, the deposits in the border area to be limited. It looks like inside, will turn out after the first exchange of the wiper lip - on the current state which is still be quite a while.
GRDS. There is accordingly a very decent product that does the job well and also provides a visual cuts a fine figure in the bathroom.