- Notched for measuring inside threads of small holes and nuts, as well as external threads
- Knurled thumb nuts lock case open or closed
- Sizes covered: All pipe thread sizes from 4 to 84
- Set of 51 gages
- Prop 65
⚠ WARNING: This product can expose you to chemicals including Nickel (metallic), which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.