Small crack on cover. The Sunnen Vintage Series Dial Bore Gauge is a precision tool for measuring bore sizes with an accuracy of .0005 inches. Made in England by the reputable brand Sunnen, this gauge is designed for metalworking inspection and measurement tasks. Its dial design allows for easy and precise measurements, making it a valuable tool for professionals in CNC machining, metal fabrication, and manufacturing industries. With its reliability and origin in England, this bore gauge is a trusted and high-quality instrument for precise measurements in various industrial applications.