7/16 Wheel Lock Tuner Lug Nuts - 6 Spline - 1.38 Inch Tall - with Key - Fits Many Buick, Chevrolet, Pontiac, Oldsmobile

TYK Industries Black 6 Spline Tuner Lug Nuts are designed for aftermarket wheels, featuring a 7/16 thread, 1.38 inch height, and a 60-degree acorn conical seat. Each kit includes a 6 spline socket.

• The description claims that the lug nuts may not provide sufficient clamping force for OEM wheels.