I just bought some new wheels from Discount Tire. They sold me the splined Gorilla nuts with the wheels. They originally sent the wrong color lug nuts with my wheels. Chrome instead of black, for my black wheels. They only charge $35 for a set of them and they come in sets of 24. I seem to recall it was 2 bags of 12, So I have spares. They finally sent me the correct ones (black, so rather than returning the wrong chrome ones, I just paid another $35 for them, as like many others, my stockers were toast. I think the previous owner used visegrips to remove and install them. LOVE the spline, although you need to keep the tool in your car (I have 2 now, as 1 tool comes with each set).