The MITUTOYO # 511-163 Dial Bore Gage SET allows for accurate measurement of bore sizes ranging from .7" to 1.4" with a resolution of .0001". Known for its precision and reliability, Mitutoyo is a trusted brand in the metalworking industry. The set includes tips for measuring bore sizes, making it an essential tool for CNC machining, metalworking, and manufacturing processes. This dial bore gage set ensures accurate and consistent measurements, perfect for quality control and inspection applications.