Digital Bore Gauge Set Range 2 in to 4 in Resolution 0.00005 in/0.001 mm SPC Output 568 Data Output Type Cable Actuation Type Absolute Contact Style 3 Point Dimension Type Inch Includes Indicator Yes Interchangeable Head Yes Maximum Measurement - Inch 4 in Minimum Measurement - Inch 0 Operation Type Digital Requires Indicator Yes Battery Size SR44 Case Type Wooden Case Contact Point Material Carbide Titanium Display Type LCD Functions Zero-Set Presetting Data Hold