Features and Benefits: * Allows technician to hang wheels on cars with bolt style lugs * Keeps rotors aligned with hubs * Safer than balancing the wheel on lip of hub * Fits Audi, VW, Mercedes, BMW, Volvo, Saab and others with bolt style lugs * Kit contains 2 pins, 12mm x 1.5mm thread Simply screw into the wheel bolt holes to use as wheel hangers, guides and to keep rotor aligned with hub. More efficient and more practical than the small lip found on most hubs. Eliminates having to hold the wheel up while aligning and threading the bolts.