4-42 TPI, 60 °, Screw Pitch Gage Set, 30 Leaves (4, 4.5, 5, 5.5, 6-11, 11.5, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 TPI)