The nut is very good and of very high quality, and strength. Proxxon is always my first choice for tool the stuff of Hazet are me then too expensive, but it should then vernüftiges tool already be. And Proxxon there is always the right choice. This nut is hard enough that they can be used with an impact wrench to loosen the wheel nuts, the Kunstoffschutz prevents scratches on the rim both when plugging and peel off the nut or even if you slipping times. The appropriate torque wrench from Proxxon there are in various designs at a good price equal to Also order, I decided to 40-200 Nm: Torque wrench MicroClick 200 S (1/2 ")