characteristic: Accurate mechanical structure to make reading more intuitive and convenient. Built-in force limiting device ensures accurate repeated reading. One-handed efficient measurement ensures of real-time measurement data. Cemented carbide measuring surface ensures the lasting stability of the equipment. It is used for measuring various external dimensions and shape tolerances. describe Name: high-precision micrometer set Measurement accuracy: 0.01 mm Measuring range: 0-25mm Note: Do not disassemble the micrometer at will. Wipe it clean after use, coat it with antirust oil and put it in to keep the micrometer clean. Material: Carbide colour: Package Contents: 1 x High precision micrometer set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.