- Interchangeable centerline cones.
- 4-48 threaded holes in accessory jaws allow use of any AGD Standard Point with 4-48 threads.
- Allows measurement of hard to reach places including undercuts, grooves, webs and shoulders.
- Black oxide plated to protect against corrosion.
- Jaw attachments feature an alignment pin and set screws to insure proper fit.
- Both sets include fitted wooden case.