The Mitutoyo 500-196-30 digital caliper has a 0 to 6" (0 to 150mm) measuring range with 0.0005" (0.01mm) increments for precision and an advanced onsite sensor (AOS) electromagnetic inductive sensor for resistance to dirt, oil, and water. Its digital readout LCD shows inch or metric units for versatility, and allows either absolute or incremental measurement readings. The electronic caliper measures inside, outside, depth, and step values for versatility and includes a protective case and SR44 silver oxide battery.