Fraction+ Digital Fractional Caliper (6") Our groundbreaking Digital Fractional Caliper brings you three universal systems of measurement, making it an equally practical choice for both professional and do-it-yourself projects. The high-contrast digital display easily switches between inches, millimeters and fractions, with guaranteed accuracy to 0.001". In addition, the rugged stainless steel design delivers accurate readings of inside, outside, step and depth measurements. The Fraction+ comes with a foam padded plastic case for safe storage when not in use. 6" Stainless Steel Caliper Tri-Mode digital display - inches, millimeters, and fractions For making inside, outside, depth and step measurements Resolution 0.0005" (0.01mm) Accuracy 0.001" (0.02mm) Auto off feature preserves battery life Bar scale is graduated in inches and millimeters Free-wheeling friction roller advances and retracts slide Extendable depth gage for use in slots and small holes Etched and filled black graduations Convenient foam-padded case for storage Flashing display indicates low battery Replacement Battery - LR44 Product Specifications HEIGHT INCHES: 11-1/2 DEPTH INCHES: 1-1/2 WIDTH INCHES: 4-1/2 GIFT ITEM: Yes RESOLUTIONS.: 0005"/.0127mm MANUFACTURER'S PART NUMBER: 147 RANGE: 0-6"/0-150mm ACCURACY.: 001" / .02mm BRAND: General DESCRIPTION: Fraction+ Digital Fractional Caliper