Internal Digital Caliper Gauge Range 2.2 in to 3 in 55 to 75 mm Resolution 0.0005 in/0.01mm Accuracy +/-0.0016 in Dimension Type Inch/Metric Jaw Actuation Type Lever Jaw Depth 9.843 in Maximum Measurement - Inch 3 in Maximum Measurement - mm 75 mm Measurements Inside Minimum Measurement - Inch 2.2 in Minimum Measurement - mm 55 mm Operation Type Digital Battery Size CR2032 Display Type 170 Degree Rotating Display with Digit and Analog Reading