- The Combo (Inch & Metric) Thread Checker™ is an accurate and easy-to-use thread identifier for both nuts and bolts.
- Each individual gauge features a male threaded stud on one end and a female threaded hole on the other.
- Inch gauges are clear zinc plated, metric gauges are black oxide, both check coarse and fine thread
- 14 inch sizes from 6-32 to 1/2-20 | 12 Metric sizes from M4-0.7 to M12-1.75
- Wire cable with loop for convenient hanging
| Type | Measuring Tool |
| Style | Thread Checker |
| Material | Metal |
| Inch Sizes | 14 inch sizes from 6-32 to 1/2-20 |
| Metric Sizes | 12 Metric sizes from M4x0.7 to M12x1.75 |
