Brass Caliper 4" with both inside & outside measurements
A handy pocket caliper, made from solid brass. Close tolerance dovetail design ensures smooth motion of the caliper and provides accurate measurements. Graduated in both imperial and metric graduations with a least count of 1/16” on the imperial scale and 0.1 mm on the metric scale, these are ideal for use by woodworkers, hobby crafters etc. who need to take measurements on small objects such as nails, screws, lenses, tubing etc. Can be used for making both internal and external measurements. External measurements can be made from 0 - 4” whereas internal measurements can be made from 7/32” to 4”.