An extra set of lug nuts are always handy to have ready for when you lose one by accident. Our locking sets secure your wheels to prevent others from taking your wheels off when they are not supposed to. All lug nuts, both locking and non-locking work with existing Rugged Ridge wheels. Wheel Lug Nut; 1/2-20 Thread; Black; An extra set of lug nuts are always handy to have ready for when you lose one by accident. Our locking sets secure your wheels to prevent others from taking your wheels off when they are not supposed to. All lug nuts; both locking and non-locking work with existing Rugged Ridge wheels.