These go a long way to deter thieves from making off with your wheels. They're made from quality components and feature a special puzzle-lock design and unique key codes for GM vehicles. M12x1.5 with external thread wheel lock kit, 10 pc of #12498073. Help deter thieves from taking the wheels off your vehicle with this Wheel Lock Kit- which includes 4 locks and a unique key. Requires Lug Nut Cap (4 Nuts- 1 Key).