- 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 0.5-0.8in
- Rings Incld .65 DIA.
- Indiv Range .5-.65, .65-.8
- With extension rod
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Each Unit Includes
- Fitted plastic case
- Extension rod
