Due to the adverse weather in some areas, delivery services may be disrupted in the coming days. Please allow a little extra time for your order to be delivered. We apologise for any inconvenience.
A simple device for checking the pitch of screw threads, particularly useful when trying to identify threaded items like bolts and setscrews. One end has a range of imperial pitches and the other has metric. Every workshop should have one of these along with the Zeus Reference Book, the popular small pocket booklet that is the reference book for fitters, metal workers and draughtsmen.