In this video review we look at the Thread Checker which is a must in every garage/workshop to identify common inch & metric bolt sizes.
This particular thread checker has the following SWTC-WM1 Size Specifications: INCH: 6-32, 8-32, 10-24, 10-32, 1/4-20, 1/4-28, 5/16-18, 5/16-24, 3/8-16, 3/8-24, 7/16-14, 7/16-20, 1/2-13, 1/2-20; 9/16-12, 9/16-18; METRIC: M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75
Get a Thread Checker at Amazon here