6" inside spring caliper used to measure the internal size of an object.

Inside calipers are useful for transferring measurements from a workpiece to a rule. They are a flexible solution for ascertaining the true inside dimension of a work piece. The adjusting screw allows for a precise measurement and the adjustments can be easily fixed with a quick nut.

These calipers have a flat leg design and open to a maximum of 6" (150 mm). The polished steel legs are easily adjusted over the entire range.