Mechanical Bore Gauge, Range 2 in to 6 in, Dial Graduation 0.0005 in, Operation Type Mechanical, Contact Style Anvil, Dimension Type Inch, Includes Indicator Yes, Maximum Measurement - Inch 6 in, Minimum Measurement - Inch 2 in, Requires Indicator Yes, Accuracy +/-0.0009 in, Contact Point Material Ceramic, Includes Case Yes, Series 2323, Repeatability 0.00015 in