4-Way Vernier Caliper Range 0 in to 6 in 0 mm to 150 mm Graduations 0.1 mm Caliper Material Plastic Dimension Type Inch/Metric Graduations - Lower Scale 0.005 in Graduations - Upper Scale 0.1 mm Jaw Actuation Type Thumb Wheel Jaw Depth 1 1/2 in Maximum Measurement - Decimal Inch 6 in Maximum Measurement - Fractional Inch 6 in Maximum Measurement - mm 150 mm Measurements 4-Way Measures Depth Yes Measures Inside Dimension Yes Measures Outside Dimension Yes Measures Step Yes