General description This Draper Digital Caliper 80859 is a dual reading vernier caliper designed for precision measurement with a range of 0-150mm. Made from hardened stainless steel, it ensures durability and reliability for frequent use. Technical specifications Measurement range: 0 - 150mm Material: Hardened stainless steel Display: Digital, with large screen for easy reading Graduations: 0.01mm and 0.005 inches Power: Includes SR44 battery Compatibility and accessories Compatible with standard digital caliper accessories Supplied with one SR44 battery for immediate use Installation No installation required; simply turn on and calibrate if necessary before use. Usage Use the caliper to measure internal, external, and depth dimensions. Ensure the caliper is clean and free of debris before measuring. Automatically turns off after a period of inactivity to save battery.