Standard SAE Sizes Included: 6-32, 8-32, 10-24, 10-32, 1/4-20 Coarse, 1/4-28 Fine, 5/16-18 Coarse, 5/16-24 Fine, 3/8-16 Coarse, 3/8-24 Fine, 7/16-14 Coarse, 7/16-20 Fine, 1/2-13 Coarse, 1/2-20 Fine.
Metric Sizes Included: M4-. 7 Coarse, M5-. 8 Coarse, M6- 1.0 Coarse, M7- 1.0 Coarse, M8- 1.0, M8- 1.25, M10- 1.0, M10- 1.25, M10- 1.5, M12- 1.25, M12- 1.5, M12- 1.75