This Starrett No. 221 Precision Micrometer Tool is a top-of-the-line mechanical outside micrometer with a resolution of 0.00010 in. It has a minimum measurement of 0 in and a maximum measurement of 1 in, making it perfect for precision metalworking inspection and measurement. The tool has been refurbished by the seller and comes with its original box.

This micrometer is ideal for professionals in the metalworking industry who require precise measurements. The brand, Starrett, is well-known for producing high-quality tools. The micrometer is easy to use and provides accurate results.