Features and Benefits:
- Knurled knob at the end of handle is used for size adjustment
- Hole size is obtained by measuring over the contact points with a micrometer
- The gaging surface is a full-round with a flat bottom
- This permits use in the smallest of shallow holes, slots and grooves, etc.
- Gaging surface is fully hardened to ensure long tool life
Extra long for gaging deep and shallow slots and similar work. The complete set of four gages covers a range of .125" - .500". Includes fitted vinyl case.