Feature:
1. Material: The inch and metric thread detectors are made of high hardness metal, which is durable and practical.
2. Used For: It is used to easily and accurately identify nuts and bolts by thread.
3. Design : One end of each size has a male gauge, and the other end has a female gauge.
4. Two Sizes: Silver inch size with inch size marking, including 23 common sizes. Black indicates metric sizes, with metric size markers and 21 commonly used sizes.
5. Convenience: All strung together, with hanging ring, very convenient.



Specification:
Inch Sizes: 6-32, 6-40, 8-32, 10-24, 10-32, 1/4-20, 1/8-28, 5/16-18, 5/8-24, 3/8 -16, 3/18-24, 7/16-14, 7/18-20, 7/2-13, 1/2-20, 9/16-12, 9/18-18, 9/8-11 , 5/4-18, 3/4-10, 3/16-16, 1-8, 1-12
Metric sizes: M3-0.5, M4-0.7, M5-0-8, M6-1.0, M7-1.2, M8-1.25, M10-1.1, M10-2.0, M10-0.25, M10-1.5, -1.4, -2.5, -1.75, M14-1.3, M14.2.0 and M16-1.6, M16-2.2, M20-1-5, M20.2, 2.5 and M24-3.0
Material: Metal
Color: silver and black
Overall length: about 128cm/50.39inch

Package:
1 x Thread Checker