Internal Digital Caliper Gauge Range 3 in to 3.8 in 75 to 95 mm Resolution 0.0005 in/0.01mm Accuracy +/-0.0016 in Dimension Type Inch/Metric Jaw Actuation Type Lever Jaw Depth 3.937 in Maximum Measurement - Inch 3.8 in Maximum Measurement - mm 95 mm Measurements Inside Minimum Measurement - Inch 3 in Minimum Measurement - mm 75 mm Operation Type Digital Battery Size CR2032 Display Type 170 Degree Rotating Display with Digit and Analog Reading