Some reviewers have written that there is with this unit at> 30mm problems. I can confirm that the cutting then becomes more difficult - you have to invest time and often nachrasieren. But in the end it works out. Have not tried the maximum length.
For all lengths up to 25mm: Top, without a trace, direct and consistent cut.
Total: stable attachment, good motor, not optimal but OK with> 30mm (often Nachrasieren etc.), top for
On the subject of beep when loading (mentioned by some) is my model in the case, but rather quietly, not disturbing in daily life.