Shallow bore gauge with DTI. dove tail mount on end for DTI, and slot/pins on back to keep the measuring surfac… | Металлообработка, Крутые изобретения, Самодельный
Small Hole Gauge Set, 4 Pcs Hole Measuring Gauge, Telescopic Bore Gauge, Small Hole Measuring Tool 1/8" to 1/2" Range, High Precision for Measuring Deep and Shallow Bores, Slots, Grooves: Amazon.com: Industrial