4-Way Vernier Caliper Range 0 in to 12 in 0 mm to 300 mm Graduations 0.001 in 0.02 mm Accuracy +/-0.0012 in Caliper Material Stainless Steel Dimension Type Inch/Metric Graduations - Lower Scale 0.001 in Graduations - Upper Scale 0.02 mm Jaw Actuation Type Thumb Wheel Jaw Depth 2 33/64 in Maximum Measurement - Decimal Inch 12 in Maximum Measurement - Fractional Inch 12 in Maximum Measurement - mm 305 mm Measurements 4-Way Measures Depth Yes Measures Inside Dimension Yes