- Graduations: 14th, 20th, 24th, and 32nd of an Inch
- Material: Steel
- Side Angle: 60 deg
- Item Features
- Center gage improves efficiency and speeds set-ups for lathe thread cutting
- 60 deg angles for U.S. standard threads and double depth of American national thread
- Made of hardened spring tempered steel with protective satin chrome finish
- Notches have clearance slots