Fraction+ Carbon Fiber Digital Fractional Caliper (3") The Carbon Fiber 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 lightweight, non-marring carbon fiber construction delivers accurate readings of inside, outside, step and depth measurements. This 3" caliper fits conveniently into your pocket for working in the field.

• 3” Carbon Fiber Caliper.
• Lightweight, non-marring construction.
• Tri-Mode digital display – inches, millimeters, and fractions.
• For making inside, outside, depth and step measurements.
• Range 0-3" (0-76mm)
• Resolution 0.0005” (0.01mm or 1/64").
• Accuracy 0.001” (+/- 0.02mm).
• Auto on/off feature preserves battery life.
• Compact, pocket-sized design.
• 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.
• Replacement Battery - SR54 or LR54