General Tools 147 6-Inch Digital Fractional Caliper

Three universal systems of measurement. 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. Flashing display indicates low battery. Includes: a foam padded plastic case for safe storage when not in use.