The tool is a single nuisance! The workpiece must be as before and now penciled grained addition, so that one, hitting the target with the drill, which is inserted through the Führungshüse. If the "Meisterdübler" are first placed, the guide sleeve obscuring the view of the mark. Hoped that if the placement of the drill is made cumbersome, at least one guide means you will be disappointed a second time. Since the "Meisterdübler" when drilling not schraubfixiert but with his free hand must be kept, is obtained at best by chance a vertical hole. This can also "runaway" of the drill can not be prevented.
