The Scherr-Tumico Outside Micrometer is a vintage measuring tool made in the USA. It is designed to measure the outside of objects with a minimum measurement of 1 inch and a maximum measurement of 2 inches. This micrometer features a mechanical reading and is specifically made for measuring the outside of metal components. Perfect for precision inspection and measurement in various industrial and manufacturing settings, this tubular micrometer is a reliable and durable option for ensuring accurate results in your metalworking projects.