Detection Resistant Aluminum Imperial Markings Metric Tester Thread

Detachable design: This multifunctional thread tester has a detachable wire loop, making it easy to carry and saving space. Easily use individual pieces or remove the most commonly used size gauges.
Clear Size Markings: These thread gauges have red oxide layers (metric size) and blue oxide layers (inch size), providing clear size markings without deformation or oxidation and ensuring long-lasting visibility.
Aluminum Alloy: This thread gauge is made of excellent aluminum alloy material, with high strength, rust and wear resistance, long service life, and can be used in various environments.
Specifications: Includes 14 imperial thread sizes: 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. 12 metric thread sizes, M4-0.7, M5-0.8, M6-1.0, M7-1.0, M8-1.0, M8-1.25, M10-1.0, M10-1.25, M10-1.5, M12-1.25, M12-1.5, M12-1.75.
Convenient to use: This thread tester has 26 of the most common thread sizes, helping you to better and more quickly sort various nuts and bolts, suitable for fixed bolts or threaded holes in enclosed areas.