1.dial Bore Gauge 2.Metric/Inch 3.Range:024-450 4.For measuring small holes,Common,with micrometer head dial Bore GaugeOur company has accumulated much experience in making dial Bore Gauge for 10 years. At the present, we can export our quality dial Bore Gauge to all over the world, such as dial Bore Gauge,dial bore gauge,digital bore gauge. And we have obtained good reputation in the ...