Starrett Steel Screw Pitch Gage with Locking Device - Ideal for Construction Work and Home Improvement - 0.25-2.50mm Range, 28 Number of Leaves - 156M
Starrett screw pitch gauge is among the most useful tools in any mechanics tool box. They quickly determine the pitch of various threads. This gauge consist of a substantial steel case with a number of folding leaves at both ends, each leaf having teeth corresponding to a definite pitch, marked on each leaf.
