Creedmoor Sports 6in Digital Calipers The perfect size calipers to use when loading anything from pistols to magnum cartridges. These calipers feature a large backlight LCD screen making them easy to read in pretty much any environment. They pair well with any Creedmoor Sports measuring tools such as the Shoulder Datum Tool or the Bullet Comparator. Like all calipers, you can measure three primary dimensions: outside, inside and depths. Features: Robust metal construction Large Easy to Read Backlit LCD Screen 0-6in (0-150mm) Measurement Range +/- .001in Accuracy and a .0005in resolution +/-.01mm Accuracy and a .01mm resolution Pairs well with Creedmoor Sports Measuring Tools Uses CR2032 Lipo Batteries