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