This digital depth micrometer is designed for precise depth measurements in grooves, steps, holes, metal sheets, and machined parts. It offers a 0-22" measuring range with 0.0005" resolution, switchable metric and imperial units, and an LCD screen for easy reading. The set includes six standard rods and four interchangeable measuring heads for greater versatility across different applications. Its metal construction, stainless-steel anvils, and smooth reference faces help provide stable, reliable performance in workshop and lab environments. A hard carrying case and instruction manual are included for storage and portability.