Screw Pitch Gage, Inch & Metric, 55 Leaves 

Correct pitch is determined by matching blade teeth with threads. Each blade clearly marked with proper thread size. Blades are protected in sturdy steel case.

Includes the following:

TPI Leave Sizes: 4, 4.5, 5, 5.5, 6, 7, 8, 9, 10, 11, 11.5, 12, 13, 14, 15, 16, 18, 20, 22, 24, 25, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 threads per inch (TPI)

Metric Leave Sizes: 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 0.9, 1.0, 1.25, 1.50, 1.75, 2.0, 2.50, 3.0, 3.5, 4.0, 4.5, 5, 5.5, 6