Description: Measuring range: 50-160mm/2''-6.3''; Accuracy:0.01mm Be used to measure internal dimensions of work pieces by comparative method Be equipped with a good guiding protective bridge which can be self-centering exactly and reliably. The moveable anvil on one side and an interchangeable on another side , which serves for setting the bore diameters. With interchangeable anvils; with storage case Specification: Material: Stainless Steel Package Includes: 1 Set of Dial Bore Gauge