Specification: Material: Carbon Steel Measuring Range: 25Resolution: 0.001Application Range: 25Specification: 0-25 Micrometer Feature: An external micrometer is an external measuring instrument that uses the principle of helix to measure the distance between two sides of a square frame. The external micrometer is mainly used to measure various external dimensions. The pitch value of the micrometer diameter is 0.01mm, and the upper limit of the measuring range is not more than 300mm, and is divided into 25mm according to the specifications. Such as 0-25mm, 25-50mm. Etc. Tips:1. A micrometer is a precise measurement. Handle it with care when using it. After use, apply anti-rust oil to the exposed part, put it into a box, and place it in a dry and ventilated place.2. Do not rotate the cylinder slightly during measurement to avoid damage to the accuracy. Package Included:1 x External Micrometer1 Accessories