- Taperlock style
- Choice of Steel, Hard Chrome Or Titanium Nitride Coated (TiN)
- Unified Thread Series ( UN, UNC, UNF, UNEF)
- Standard (ANSI B1.2) 'X' Tolerance,
- Class 2A or 3A
- Conform to ANSI / ASME Screw Thread Standards for Class X gages in every respect.
- 100% Made in the USA
