Mitutoyo Japan are the industry standard in precision measuring equipment. The Series 188 range of thread pitch gauges are available in Metric, Unified and Whitworth.
Range: 4 - 42 TPI (30 Leaves)
Leaves: 4, 4½, 5, 5½, 6, 7, 8, 9, 10, 11, 11½, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 TPI
Length: 70mm
Weight: 66g
Thread pitch is stamped on each gauge.
Mitutoyo Model No 188-111