Low cost digital caliper. Carbon fiber for extra rigidity. Inch, Metric and Fractional reading with the push of a button. Easy to read digital display. 4 measurements, Inside, outside, depth and step This carbon fiber digital caliper has all the features of a standard digital caliper with less weight and a lower cost. The added capability of fractional display increases the possible range of uses. Carries a one year warranty against workmanship and materials.