Dial Caliper, Range 0 in to 4 in, Accuracy +/-0.001 in, Long Form Calibration Certificate No, Caliper Material Stainless Steel, Dial Color White, Dial Graduation 0.001 in, Dimension Type Inch, Jaw Actuation Type Slide, Jaw Depth 1 in, Jaw Material Stainless Steel, Maximum Measurement - Inch 4 in, Measurements 4-Way, Measures Depth Yes, Measures Inside Dimension Yes, Measures Outside Dimension Yes, Measures Step Yes, Minimum Measurement - Inch 0 in, Case Type Case, Depth Rod Shape Rectangular WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)