A lug nut is designed to secure a wheel to the car's axle — its very purpose dictates both form and the materials used in its construction. However, since almost everything on a car can be customized, ...

Q. I tried removing the lug-nuts on my 2008 Toyota Corolla using a 20-volt Craftsman impact driver with a 21mm black socket to remove tight lug nuts. Is 21mm the correct size for 2008 Toyota Corolla?