Description: Easy to measure the diameter of a hole, internal grooves and other hard-to-reach parts Equipped with a shock-proof dial indicator. Gague with longer measuring jaws can be supplied. High precision, easy to read Clear digital display improve working efficiency Specification: Material: aluminium foil Resolution: 0.1 mm Measuring range: approx. 55-75mm/2.17''-3'' Jaw length: Approx. 90mm/3.54 inch Package Includes: 1 Piece Digital Inside Dial Caliper
