The Micro 100 Threading Tool is a high speed steel threading tool with a 3/16 inch shank diameter. It has a 60 degree threading point and can cut unified coarse, unified fine, and 8 pitch threads. The overall length is 3 inches and it has an American National Standard stub length of 2-1/2 inches. This durable tool is made in the USA and can be used for both internal and external threading applications. With proper speeds, feeds, and depths, this tool will produce accurate and consistent threads.