Inch Dial Caliper, Range 0 in to 6 in, Accuracy +/-0.001 in, Long Form Calibration Certificate No, Caliper Material Plastic, Dial Color Black, Dial Graduation 0.001 in, Dimension Type Inch, Jaw Actuation Type Thumb Wheel, Jaw Depth 1.1875 in, Jaw Material Plastic, Maximum Measurement - Inch 6 in, Measurements 4-Way, Measures Depth Yes, Measures Inside Dimension Yes, Measures Outside Dimension Yes, Measures Step Yes, Minimum Measurement - Inch 0 in, Depth Rod Shape Rectangular.