- Clear, easily-read numbers, properly sized for the tool
- Fine adjustment thumb roll for precision measurements
- Lock to hold the slide in position
- Hardened base is 3-15/16" (99mm) long, but optional base extensions of 7" and 12" (175 and 300mm) are available.
- Spacing between holes is 2-3/4" (70mm).
- Hook attachment, to take readings from the edge of a work piece to edges of slots, grooves, shoulders, and other I.D. length dimensioning.
