Features Complete Set for Precision: Includes 0-25mm, 25-50mm, and 50-75mm tools, along with a calibration standard measuring rod and wrench for accurate measurements Steel Construction: Made from thickened bearing steel, this tool offers exceptional wear resistance and a long service life, ensuring reliability in every measurement Laser Calibration for Clarity: Features exquisite workmanship with clear laser calibration, providing data readings and enhancing measurement accuracy Consistent Results Guaranteed: Built-in force limiter on the spindle ensures you achieve accurate repeat readings, maintaining measurement integrity over time Convenient Storage and Portability: Comes with a complete specifications storage box, making it easy to carry and organize your measurement tools wherever you go Features: 1、Including 0-25mm, 25-50mm, 50-75mm micrometers, and equipped with calibration standard measuring rod and wrench 2、Thickened bearing steel measuring , wear-resistant and long service life 3、Exquisite workmanship, clear laser calibration, and accurate data reading 4、Built-in force limiter on the spindle of the measuring tool to ensure accurate repeat readings 5、0 setting, rotating threaded socket set to 0 6、Complete specifications, with a storage box, easy to carry Specification: Item Type: Micrometer Material: Bearing steel Specification: 0-25mm, 25-50mm, 50-75mm Calibration Rod Specification: 25mm, 50mm Package List: 3 x Micrometer 2 x Measuring Rod 1 x Wrench Package List 3 x Micrometer 2 x Measuring Rod 1 x Wrench