Thread Checkers

The Thread Checker™ The Thread Checker is an accurate and easy-to-use thread verifier for both nuts and bolts. Conveniently assembled onto a wire loop, it is especially well suited for distinguishing between similar inch and metric threads.		The Wall Mounted Thread Checker™ The Wall Mounted Thread Checker™ offers the same features as The Original Thread Checker™, but it is mounted On Heavy-duty 1/2 Inch Sintra® board.
Lug Nut Thread Checker™ The Lug Nut Thread Checker™ is an accurate and easy-to-use thread verifier for lug nuts. Conveniently assembled onto a wire loop. There are 8 female ends that measures stud threads and 8 Male ends that measures lug nut threads.