Wherever precision spatial measurements are needed, these easy-to-read dial calipers offer accurate measurements at an economical price. Made of fiberglass-reinforced plastic with beveled jaws. Inside, outside, depth, and step measurements Bar has inch and mm graduations on the front and a fractional conversion table on the back No-glare lens for easy reading Model 97100-00 is color-coded to highlight graduations of both 0.01" and 1/64" Model 97100-10 has a metric readout that accurately reads to 0.001 mm