4-Way Vernier Caliper, Range 0 in to 5 in, 0 mm to 127 mm, Graduations 0.1 mm, Accuracy +/-0.001 in, Caliper Material Steel, Dimension Type Inch/Metric, Graduations - Lower Scale 1/128 in, Graduations - Upper Scale 0.1 mm, Jaw Actuation Type Thumb Wheel, Jaw Depth 2 9/16 in, Maximum Measurement - Decimal Inch 5 in, Maximum Measurement - Fractional Inch 5 in, Maximum Measurement - mm 125 mm, Measurements 4-Way, Measures Depth Yes, Measures Inside Dimension Yes, Measures Outside Dimension Yes WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)