Pocket Brass Caliper

The Groz Pocket Brass Caliper measures both internal and external measurements. This solid brass caliper has engraved markings in both imperial and metric, counting every 1/16th inch and 0.1 mm. The close tolerance dovetail design ensures smooth motion of caliper and provides accurate measurements, ideal for small objects such as nails, screws, tubing, and lenses.

External measurements can be made from 0 to 4" (0 to 100 mm), whereas internal measurements can be made from 7/32" (5 mm) to 4" (100 mm).