- The Holtests (type II) have three contact points made of alloyed steel
- Measurement can be taken closer to the bottom of the blind bore
- Can measure deep holes using an Extension Rod (optional)
- With Ratchet Stop for constant force
- Setting Rings for zero point adjustment are optional
- Range 0.8-2in
- Rings Incld 1" DIA., 1.6" DIA.
- Indiv Range .5-.65", .65-.8"
- With extension rod
Each Unit Includes
- Fitted wooden case
- Extension rod