4-Way Vernier Caliper Range 0 in to 6 in 0 mm to 150 mm Graduations 1/128 in Accuracy +/-0.03 mm Caliper Material Stainless Steel Dimension Type Fractional Inch/Metric Graduations - Lower Scale 1/128 in Graduations - Upper Scale 1/128 in Jaw Actuation Type Thumb Wheel Jaw Depth 1 37/64 in Maximum Measurement - Decimal Inch 6 in Maximum Measurement - Fractional Inch 6 in Maximum Measurement - mm 152 mm Measurements 4-Way Measures Depth Yes Measures Inside Dimension Yes