- 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
- With Ratchet Stop for constant force
- Setting Rings for zero point adjustment are optional
- Range 2-4in
- Rings Incld 2.5" DIA., 3.5" DIA.
- Individual Range 2-2.5", 2.5-3", 3-3.5", 3.5-4"
- With extension rod
Each Unit Includes
- Fitted plastic case
- Extension rod