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- 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
- Range 100-200mm
- Rings Included 100-125, 125-150, 150-175, 175-200mm
- Indiv Range ¸125mm, ¸175mm
- With extension rod
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Each Unit Includes
- Supplied with wooden case
- Extension rod
