Green Closed Ended Tuner Spline 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, Closed End Made of Steel Great to go with your Aftermarket Wheels. DO NOT USE IMPACT GUN FOR INSTALLATION! USE REGULAR RACHET AND SOCKET AND TORQUE WRENCH