Well for me it's an 18 5.5, O1, knurled grip that's got duck tape, fishing line and patacord wrapping it, the stone is gone and leatherman micro with a firestarter, needle some cotton and a bit of tinder is in its place, the handle holds a compass and fish hooks, sinkers, more tinder, matches and a striker, some safety pins, and another needle, seems to do the job...