The Mitutoyo Dial Caliper 505-644-50 is a high-precision tool used for measuring distances with an accuracy of +/-0.001 inches. Made in Japan, this caliper features a blue dial and graduations of 0.001 inches, making it ideal for metalworking and inspection tasks. With its reliable brand reputation and precise measurements, the Mitutoyo Dial Caliper is a valuable tool for professionals in various industrial settings.