Leatherman By the Numbers #1 Keychain Pocket Tool Butterfly 31” (56

31” (56

Powered by two 18650 Li-Ion or four CR123A batteries

making it tough enough to endure a harsh 3-meter drop test

making it ambidextrous and easy to configure for multiple missions

Weight：46

Leatherman By the Numbers #1 Keychain Pocket Tool Butterfly 31” (56The Leatherman #1 is a single piece pocket tool with 4 handy features in one. It's perfect for securing loose bolts, tightening screws or opening a cold one at the end of the day. Traveling soon? No need to take it out of your pocket since all the By The Numbers tools are TSA compliant. Features Box Wrench A wrench used over the head of a hexagonal nut or bolt with english measurements. The application of torque is used to tighten or loosen an object.