TEMO 30p Anti-Theft Wheel Lug Nut Removal Socket Key Compatible for Mercedes Benz The set includes keys for most anti-theft lugnut compatible for Mercedes Benz veihcles. The set includes 30 keys from #301 to #330. Keys compatible for different Mercedes Benz model. Line up socket with nut tightly; turn counter-clockwise to loose nuts. Not for use with impact wrench.