1、Mechanical Structure: The accurate mechanical structure makes reading more intuitive and convenient. And built in force limiting device ensures accurate and repeated reading. 2、Accurate Measurement: Single hand efficient measurement ensures the accuracy of real time measurement data. You can choose the ruler with confidence! 3、Alloy Surface: The cemented alloy measuring surface ensures the lasting stability of the ruler, rest assured to use it! 4、Wide Application: This micrometer is widely used for measuring various external sizes and shape tolerances. And it can be quickly put into use. 5、Easy Carrying: Comes with a small size and lightweight, you can easily take this ruler with you to help with your work.