Lug wrench is the U.S. name for a type of used to turn on . In the UK it is commonly known as a wheel brace or wheel wrench.

The form commonly found in car trunks is an L-shaped metal rod with a on the bent end and a prying tip on the other. The prying tip is mainly intended to remove or wheel covers that may be covering a wheel's lug nuts. Another common type (sometimes known as a spider) is made in the shape of a cross, with different sized sockets on each of the four ends.