... Without fraying, finally schlackern the dowels no longer in the holes, but sit tight beautiful. I use the drill with the "Bosch Rotary Hammer GBH 2-20 D in the trunk" and am absolutely thrilled. Use my normal hammer drill (a green Bosch) no longer. The only complaint, but no penalty value: There is a short 5 and 6 Series and each a long 6, 8 and 10. Would have also required a short 8s, the long acting as if he wobbles (but he does not, the holes are also knotless). Strong buy recommendation, together with the Bosch hammer!