The confidence is there, the material feels solid, has seen after one year of use now.
The screwdriver is very heavy, ie before the purchase because for some long process you will have truly strong arm.
The mandrel is great, removing the attention it has a small tendency to jump!
Only regret the fact that I take a star, the soft button a bit hard, which makes it difficult dosage, certainly matter of habit. It is also possible that the button softens over time.
That said the first thought that one gets is: "I should have put 30 euros more to acquire the model with the controller."
Well drilling, screwing good!