OD/ID Vernier Caliper Range 0 in to 40 in 0 mm to 1000 mm Graduations 0.001 in 0.02 mm Accuracy +/-0.0031 in Caliper Material Stainless Steel Dimension Type Inch/Metric Graduations - Lower Scale 0.001 in Graduations - Upper Scale 0.02 mm Jaw Actuation Type Fine Adjust Carriage Jaw Depth 5 33/64 in Maximum Measurement - Decimal Inch 40 in Maximum Measurement - Fractional Inch 40 in Maximum Measurement - mm 1 016 mm Measurements Inside Outside Measures Depth No