Groz Spring Inside Caliper 100mm 1¼" Precision Measuring

The Groz Spring Inside Caliper 100mm is a precision measuring tool designed for taking comparative internal measurements and transferring dimensions to micrometers, rules, and gauges. Manufactured from selected steel with a spring joint mechanism, the caliper features a roller-pivoted leg design tensioned by a bow spring for consistent, accurate settings. Ideal for engineers, machinists, and precision tradespeople who require reliable dimension transfer and comparative measurements.