Goodson's Dial Bore Gauge Setting Fixture sets most bore gauges including Mitutoyo, Phase II, Fowler and Peacock. Will not fit Sunnen Bore Gauges for Sunnen setting fixture. This fixture features fast, accurate settings from from 2” or 6”. Billet steel construction with a tool black finish. .001” increment micrometer. Includes three setting standards: 1”, 2” and 3”.