1. 6-inch digital caliper, electronic vernier caliper, 100mm caliper, micrometer, digital ruler measuring tool, with dimensions of 245×80×12mm and made of 150mm plastic material. 2. It can measure internal and external dimensions easily and accurately. 3. It uses a linear capacitance measurement system. 4. It can be zeroed at any position. 5. It is equipped with a small locking thumb screw to lock the jaws in place. 6. Basic measurement functions include internal diameter and external diameter. 7. It is equipped with a large and easy-to-read LCD display. 8. Resolution: 0.1mm/0.01 inch. 9. Accuracy: 0.2mm. 10. Dimensions: 245×80×12mm. 11. Power supply: 1.5V battery (not included). 12. Weight: 53g. 13. Package contents: - 1 digital electronic caliper (without battery).