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: 0.01 mm Measuring range: approx. 35-55mm/ 1.38''-2.17'' Jaw length: Approx. 90 mm/3.5 inch Package Includes: 1 Piece Digital Inside Dial Caliper
