JEDC-8 Digital Caliper, 0" - 8" (0 mm - 200 mm) RangeAll metal body for improved durability Four measurements inside, outside, step, and depth Extra large LCD screen is easy to read Measures decimal inches to . 0005" and metric to . 01mm Auto shut off prevents battery drain Data hold function preserves measurements until they can be recorded Professional quality hardened stainless steel construction for accuracy and resistance to corrosion Precision ground measuring surfaces Fine adjustment thumbwheel