This set of four Etalon micrometers is a must-have for metalworking professionals. The micrometers are designed to measure a range of dimensions, from 0 to 1 inch up to 3 to 4 inches. They are outside micrometers that are made in Switzerland and have been built to exacting standards. Whether you're working in a CNC or traditional metalworking environment, these micrometers will help you achieve precise measurements every time. They are perfect for anyone who needs to take accurate measurements in their work, and they are sure to last for years to come. 

Up above was the AI description. These have been sitting in a tool box for 30 years since I left a machine shop to change professions. As I hope you can see they are all in great condtion with  their original boxes.