Digital Bore Gauge, Range 2 in to 6 in, Resolution 0.0001 in/0.002 mm, SPC Output 2123, Data Output Type No Data Output, Actuation Type Spring Loaded Anvil, Contact Style Anvil, Dimension Type Inch, Metric, Includes Indicator Yes, Maximum Measurement - Inch 6 in, Minimum Measurement - Inch 0, Operation Type Digital, Requires Indicator No, Accuracy +/-0.0009 in, Contact Point Material Steel, Includes Case Yes, Repeatability 0.0001 in, Series No, Anvil Material Steel