Features Mechanical Structure: The accurate mechanical structure makes reading more intuitive and convenient. And built in force limiting device ensures accurate and repeated reading. Accurate Measurement: Single hand efficient measurement ensures the accuracy of real time measurement data. You can choose the ruler with confidence! Alloy Surface: The cemented alloy measuring surface ensures the lasting stability of the ruler, rest assured to use it! Wide Application: This micrometer is widely used for measuring various external sizes and shape tolerances. And it can be quickly put into use. Easy Carrying: Comes with a small size and lightweight, you can easily take this ruler with you to help with your work. Specification: Item Type: Micrometer Measurement Accuracy: 0.01mm Measuring Surface Material: Aluminum Alloy Package List: 1 x Micrometer 1 x Storage Box  1 x Wrench  1 x Manual  or 1 x Micrometer 1 x Storage Box  1 x Wrench  1 x Accessory  Note: 1. Do not disassemble the micrometer at will. 2. Wipe the box clean after use to keep the micrometer clean. Package List 1 x Micrometer 1 x Storage Box 1 x Wrench 1 x Accessory