The caliper is used for measurements in small holes. It is usually used in combination with a micrometer, 6 calipers per set For quick measurem...

For quick measurement of the internal diameter of deep holes and groove width. chrome finishing.

Steel calipers in a plastic case Marked nominal size Frame with locking screw

4 gages per set For small holes, slots, and grooves, etc. Chrome finish.

With 1:10 taper Graduation 0.01mm Special steel

Quick hole diameter measurement Hardened steel, HRC 50-58 Satin chrome-plated surface Aluminum handle