Main features ¡î Used as bayonet installed on rifle ¡î Used as a dogger ¡î Used as a chopper. It can chop, cut, split ¡î Can cut off iron less than ¦µ4 iron wire and pick network ¡î Saw reinforcing steel, iron bars and so on ¡î Cut lighting circuit with the electrical knife ¡î The knife with the compass can indicate the direction ¡î It can tighten up screw with the jut on the knife ¡î It has an emergency honing stone on its sheath