The Starrett No 222AXR-1 0-1" Sheet Metal Micrometer is a precision tool designed for measuring outside dimensions with a minimum measurement of 0 inches and a maximum measurement of 1 inch. This micrometer is ideal for metalworking professionals seeking accurate and reliable measurements for their projects. With the trusted Starrett brand behind it, this tool ensures precise measurements that are crucial in the CNC, metalworking, and manufacturing industries.