TEMO #819 Anti-Theft Wheel Lug Nut Removal Socket Key 3436 Compatible for Audi One piece anti-theft lugnut key compatible for selected Audi veihcles. Match key pattern to the locking lugnuts on your vehicle. We don’t have selection chart as lugnuts may be different even on the same car model by design for security reason. Line up socket with nut tightly; turn counter-clockwise to loose nuts. Not for use with impact wrench.