This Mitutoyo 126-140 Screw Thread Micrometer measures between 3-4 inches with a resolution of 0.001 inches, providing accurate and precise readings for your metalworking inspection and measurement needs. The mechanical design ensures reliable and consistent results for your CNC, metalworking, and manufacturing processes. It is a high-quality tool from a trusted brand, perfect for professionals and hobbyists alike. Add this micrometer to your collection and achieve precise measurements with ease.