| 摘要 |
- 23 A tool for measuring two or more dimensions of an article, preferably the inner and outer diameters of a pipe. The tool has a substantially hollow body with a tapered 5 profile and at least one indicium formed along the body. The inidia a guide in association with the tapered profile for identifying a dimension. The tool is preferably formed to have a conical profile and either the internal or external diameter can be measured depending on which end of the tool is used to measure the article. |
