Great! Old school fire-striker knife ides reborn. I think this is better than the 93mm version which tends to be just too big and heavy with the striker.
50ft-trad, it's a fire-striker on the back not a 'Firesteel' or Mischmetal fire-starter tool. The iron fire-striker predates this technology and is used to strike a flint rock, or a rock with a fair amount of flint contained in it to create sparks.