Features • Large Screen LCD Display: Enjoy fast and clear readings with the large LCD screen, ensuring measurements for your jewelry, cards, and watches • Alloy Jaw Construction: Made with strong alloy jaws featuring a chrome finish, this tool is wear-resistant and built to withstand daily use without damage • Effortl Unit Conversion: Easily switch between metric and English measurements with a convenient unit conversion button, allowing for versatile usage in various applications • Secure Locking Mechanism: The locking screw allows you to secure measurements in place, providing stability and accuracy during your measurement tasks • Versatile Measurement Tool: Ideal for measuring internal diameters in a wide range of machining applications, making it an ential addition to your toolkit Features: 1、Large Screen LCD Display: This digital internal caliper uses a large LCD display to show the value, which is fast and clear to read. 2、Alloy Jaw: This digital display internal caliper uses alloy jaws with chrome finish, which is strong and wear resistant and not easy to be damaged. 3、Metric And English Unit Conversion: This digital display has a unit conversion button on the internal card gauge, and the short button can be used for metric and English conversions (F for fraction function). 4、Locking Screw: This digital display has a locking screw within the gauge that locks clockwise to the current position and loosens counterclockwise to unlock. 5、Wide Application: This digital display internal gage is very widely used, and is mainly used for the measurement of the internal diameter of all kinds of machining. Specification: Item Type: Digital Inside Caliper Battery: CR2032 3V Button Cell x 1 ( Shipped Without Battery ) Specification: Approx. 12.7-216mm/0.5-8.5in Reading Value: Approx. 0.1mm/0.005in Accuracy Error: Approx. 0.2mm/0.01in Clear Reading, Small and Exquisite, Convenient to Use Role: Widely used in various types of machining internal diameter measurement. Package List: 1 x Digital Inside Caliper Package List 1 x Digital Inside Caliper