Micrometer itself is brand new but some damage to box The Insize 3203-5A Outside Micrometer is a precision tool designed for measuring outside dimensions with a resolution of 0.0001 inches. With a minimum measurement of 4 inches and a maximum of 5 inches, this mechanical micrometer provides accurate readings for various industrial applications. The INSIZE brand ensures quality and reliability in this essential tool for metalworking inspection and measurement. Perfect for CNC machining, metalworking, and manufacturing processes, this micrometer is a valuable addition to any workshop or laboratory.