Mechanical Bore Gauge Range 0.56 in to 1.565 in Dial Graduation 0.0001 in Operation Type Mechanical Contact Style Split Ball Dimension Type Inch Includes Indicator Yes Maximum Measurement - Inch 1.565 in Minimum Measurement - Inch 0.56 in Requires Indicator Yes Accuracy +/-0.0002 in Case Type Case Included Indicator 82CZ Includes (2) Adjusting Wrenches Actuating Rod Includes Case Yes Series 82 Repeatability 0.0001 in Resolution 0.0001 in