Clear reading: Accurate measurement results and units can be easily read. Easy to operate: Easy to operate, easy to place and fix the measuring object, as well as accurate reading of the measurement results. Reliability and durability: Made of high-quality materials, with sufficient durability and corrosion resistance, to meet the long-term reliable use. Accurate measurement: As a tool for accurate measurement of length, it has good measurement accuracy to ensure the accuracy of measurement results. Versatility: Inner diameter measurement, depth measurement, etc. can be performed. Meet a wider range of measurement needs and improve work efficiency.