This Starrett 700A Inside Micrometer has a measurement range from 0.2 to 1.2 inches with a resolution of 0.001 inches. It is a mechanical micrometer that is made in the United States. The micrometer type is specifically designed for inside measurements. This item is perfect for metalworking inspection and measurement purposes. It is suitable for use in CNC, metalworking, and manufacturing industries. The micrometer is branded by Starrett, a reliable and well-known brand in the industry. Get accurate and precise measurements with this high-quality inside micrometer.