| 摘要 |
A gauge for measuring an inside diameter of a manufactured product is provided to measure an inner diameter of a product by including an inner diameter adjusting part. A gauge for measuring inside diameter of a manufactured product includes a body(10), a dial gauge(2), an inner diameter adjusting part(10), and a measuring part(20). The dial gauge(2)is designed in such a manner that a change amount of the protrusion part(3) is displayed on the body(1) having a predetermined length according to the change amount of the protrusion part(3). The dial gauge is formed in the center par to upper part of the body(1). The data gage(2) has a protrusion part(3) so that the dial gage(3) is positioned in the longitudinal direction of the body(1).
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