-Range 2-6mm without extension rods

-Measurement can be taken closer to the bottom of the blind bore and can be taken into a deep hole with an extension rod

-Highly durable because of carbide-tipped contact points

-Ratchet stop

-Within 100mm/4": Supplied with setting rings. Range 2-6mm/0.08-0.28": Two poiint models for very small holes

-Resolution: 0.001/0.0001"