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.
Ive had mine since 2013 and still going strong. Ive never noticed issues with accuracy or precision. It disappears in my inspection kit and in a shirt pocket. I wish it also had a depth gauge.
A great little pocket caliper. Ive used it in the field for about 5 years and when I dont want to bring the Mitutoyo. Ive had no issues with repeatability.
I wanted this for checking material thickness when out shopping. Something I could keep in my pocket without ripping holes through. The readings are so variable and imprecise, I do not trust these for even hobby projects. 1- Not precise. Every measurement on the same material is always a bit different. 2- Requires an odd battery that is half the thickness of the battery normally used in most electronic calipers. 3- Requires a piece of tape over the battery lid so it does not randomly pop off. It is not a matter of cost. I would pay much more for an accurate, lightweight pocket friendly digital caliper. ... without fractions.