The Husky 6 in. 3-Mode Digital Fractional Caliper brings you 3 universal systems of measurement, making it an equally practical choice for both professional and do-it-yourself projects. The caliper features an easy-to-read digital display that switches easily between inches, millimeters and fractions, with guaranteed accuracy to 0.001. It comes with a foam-padded storage case and includes an extendable depth gage for use in slots and small holes.