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Starrett 00156M (50589) SCREW PITCH GAGE- 28 LEAVES 0.25-2.50 TPI

Starrett 00159M (50591) SCREW PITCH GAGE- 22 LEAVES 0.5-11.5 TPI

Starrett 155 Screw Pitch Gage 60 Deg Threads, 27 Leaves, 2 1/4-28 TPI

Starrett 473 Screw Pitch Gage 60 Deg Threads, 30 Leaves, 6-60 TPI

Starrett 474 Screw Pitch Gage 60 Deg Threads, 28 Leaves, 4-80 TPI

Starrett 476 Whitworth Standard Screw Pitch Gage 55 Deg Threads, 30 Leaves, 3 1/2-60 TPI