Measure hole and slot sizes. Quick to use, very accurate and are a convenient size. This gauge is especially designed for rapid, accurate checking of inside diameters of tubing. Also very useful for general gauging of slot widths, hole sizes, setting calipers, etc. Featuring thin, tapered leaves graduated to measure inside diameters or widths from 1/16-1.1/16″ in 64ths of an inch. They are nicely finished spring-tempered steel, approximately 1″ W x 5.1/4″ L
