-Range 6-12mm with 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 6-12mm/0.275-0.5": Without carbide-tipped contact points

-Resolution: 0.001mm/0.0001"