The Moore and Wright 0-1" Micrometer No.961b is a precision measuring tool designed for industrial use. This analogue micrometer, made by the reputable brand Moore & Wright, is specifically for measuring outside dimensions with a resolution of 0.001 inches. It comes with a spanner for easy calibration and is housed in a protective case for safe storage and transport. Ideal for business, office, and industrial applications, this micrometer is a reliable and accurate tool for precise measurements.