I have to say a lot to me, the choice easy. The chuck fits naturally without any problems on the Dremel and Wergzeuge can be just as easily be clamped with it. Of course, the chuck is slightly larger, therefore it is no all-round tool. Especially with holes in the corners and edges, it may be that you can handle better with a slimmer chuck.
I do not want to miss this tool in my Dremelkiste.