The FowlerBOWERS HOLEMIKE 52-255-030 micrometer is capable of measuring between 4 inches to 5 inches with a resolution of .00025 inches. This precision tool is used for metalworking inspection and measurement, providing accurate and detailed readings for quality control in CNC, metalworking, and manufacturing processes. With its high level of precision and accuracy, this micrometer is essential for achieving consistent and reliable measurements in a variety of industrial applications.