Abrasion-resistant, hard to bend or break, lasting even with frequent use

Thread checker each marked with inch or metric size on the body, easy to recognize and find

Thread gauge designed to provide precise and accurate measurements of thread size and pitch, male and female

Thread checker comes with a PVC case to keep all nuts and bolts well organized in its respective slots

Set of 44pcs nut and bolt thread checker covers commonly used standard and metric sizes, great for mechanical and automotive engineering, industrial manufacturing/ construction/ equipment servicing, building furniture, fixing appliances, etc. to determine the correct thread size for pipes, valves and fittings

23 Inch Sizes:

6-32, 6-40, 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, 5/8-11, 5/8-18, 3/4-10, 3/4-16, 1-8, 1-12

21 Metric Sizes:

M3x0.5, M4x0.7, M5x0.8, M6x1.0, M7x1.0, M8x1.0, M8x1.25, M10x1.0, M10x1.25, M10x1.5, M12x1.25, M12x1.5, M12x1.75, M14x1.5, M14x2.0, M16x1.5, M16x2.0, M20x1.5, M20x2.5, M24x2.0, M24x3.0

PACKAGE

23 x Blue Thread Gauge

21 x Red Thread Gauge

1 x Tool Box