Features • Precision Measurement Range: Includes 0-100mm in 4 micrometers (0-25mm, 25-50mm, 50-75mm, 75-100mm) for versatile outside diameter measurement needs • Durable Steel Construction: Made from thickened bearing steel for enhanced wear resistance and a long service life, ensuring reliable performance • Accurate Repeat Readings: Features a built-in force limiter on the spindle, providing consistent and precise readings every time • Easy Zero Setting: Designed with a rotating threaded socket that easily sets the measurement to zero, streamlining your calibration process • Convenient Storage Solution: Comes with a complete set and a protective storage box, making it easy to carry and organize your measurement tools Features: 1、Including 0-25mm, 25-50mm, 50-75mm, 75-100mm micrometers, and equipped with calibration standard measuring rod and wrench 2、Thickened bearing steel measuring , wear-resistant and long service life 3、Built-in force limiter on the spindle of the measuring tool to ensure accurate repeat readings 4、0 setting, rotating threaded socket set to 0 5、Complete specifications, with a storage box, easy to carry 6、Exquisite workmanship, clear laser calibration, and accurate data reading Specification: Item Type: Micrometer Material: Bearing steel Specification: 0-25mm, 25-50mm, 50-75mm, 75-100mm Calibration Rod Specification: 25mm, 50mm, 75mm Package List: 4 x Micrometer 3 x Calibration Rod 1 x Wrench Package List 4 x Micrometer 3 x Calibration Rod 1 x Wrench