Three mode digital display: fractional, metric, & inches Made of carbon fiber material Accuracy: +/- 0.001" +/- 0.02 mm Resolution: 0.0005", 0.01 mm, 1/64" Inside, outside, depth & step measurements Pocket clip on back of head Includes a durable case with a SR54 battery Product Description Specs A very handy digital caliper that displays three universal measurement systems; it is very useful when trying to convert between systems! It can measure inside, outside, depth, & step measurements. Made of non-marring carbon fiber, it is lightweight & durable. It's three inch size is very convenient & enables the caliper to fit in your pocket with ease; a great option when working in the field. It is a great & handy tool for the hobbyist, or the professional technician alike! Product Title Overall Size Model # 3" Digital Caliper 3" Length GEN-1433 For California Residents: WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov WARNING: Drilling, sawing, sanding or machining wood products can expose you to wood dust, a substance known to the State of California to cause cancer. Avoid inhaling wood dust or use a dust mask or other safeguards for personal protection. For more information go to www.P65Warnings.ca.gov/wood