Z Racing Red Open Ended Drag Spline Tuner Wheel Lug Nuts 20 Pieces with Socket Key - 12x1.5mm Seat Type: Cone / Conical Seat (60 Degree Taper) | Thread Pitch: 12x1.5MM 20pc Brand New Lug Nuts + 1 Key Socket. Type: Spline Drive, Long Length, Open End Made of ALUMINUM Great with your Aftermarket Wheels. DO NOT USE IMPACT GUN FOR INSTALLATION! USE REGULAR RACHET AND SOCKET AND TORQUE WRENCH