Besides the fact that here, Amazon has built significantly crap, and this vice has abgeboten as a recommendation in a bundle with the Berlan 350W Säulenbohrmaschine B16 and this not to fit and therefore can not be attached to it, the thing is as such a Gelump! The jaws have a width of 100mm, a height difference of almost 2mm on! In other words, the left stop jaw has behind the same height as the front, right on the other hand it is almost 2 mm above. Impossible, because something just clamp!