Features Package Included: Includes 0-25mm, 25-50mm, 50-75mm micrometer with calibrated standard measuring rod and wrench for your general purpose of measuring small objects. Durable Material: The outer diameter micrometer group adopts thick bearing steel measuring surface, which is wear-resistant and has a long service life. The satin chrome finish on the thimble and sleeve resists rust and reduces glare. Exquisite Workmanship: Clear calibration, accurate data reading, complete specifications, with storage box, easy to carry, all accessories are packed in a box to provide a complete storage solution. Ease of Operation: The spindle of the machinist's tool set is accurate, placing objects between the spindle and the anvil. So you can get precise data by adjusting the spindle. The rotating threaded sleeve is set to 0, and the force limiter is built into the measuring tool spindle to ensure accurate repeat readings, an absolute time saver. Ideal for: The perfect and accurate caliper measuring tool for home/DIY measurements. Please choose a stainless steel digital caliper for more accurate measurement. It can be used to measure inner and outer diameter, depth and step distance. It is equipped with two sets of jaws and a probe. Specification: Item Type: MicrometerMaterial: Bearing steel Specification: 0-25mm, 25-50mm, 50-75mm Calibration Rod Specifications: 25mm, 50mm Package List: 3 x Micrometer2 x Measuring Rod1 x Wrench Package List 3 x Micrometer 2 x Measuring Rod 1 x Wrench