The Digital Caliper gives instant readings in inches or millimeters. Easy to use and easy to read. Has a range from 0-6 and accuracy to 0.001 or. 02mm. Jaw depth measures 1-1/2 outside, 5/8 inside. Hardened stainless steel body lock holds slide in position for measuring constants. Includes a 1.55-volt silver oxide battery and fitted plastic storage case. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Calipers.