4 1/4" overall. Waterproof fire-starting tool works by using a combination of a ferrocerium rod and an ultra-sharp tungsten carbide striker. Durable, lightweight polymer design with cord lanyard. Similar to age-old flint and steel, it is superior because it doesn't just produce a spark: it creates molten globulthat burn at over 5500° F. Produces up to 1500 fire-starting strikes
