I've been using them on both city and race cars for years. They sit securely, are easy to use and cannot be removed without a Spinetool, so they also serve as wheel locks for poor people. The chrome held up very well and after most of the track driving I took the wheels off the car. I've used pneumatic tools and regular wrenches and they didn't show any unusual wear. I don't think you will be disappointed if you use them.