SwordsNinjato- Short portable swords mostly used as tools than weapon. It is usualy in a katana Scabbard so that the opponent will miscalculate how fast it can be drawn.shikoro ken (saw sword)-used as tool to gain entry to a house or slashing an enemy.Katana- Traditional japenese swordSais- pointed rods with two long, unsharpened prongs, or tsuba, extending to either side and attached to a handle. The sai has always been used as a ninja weapon. They are used for striking or short jabs to the chest area. The prongs can be used to trap an opponent’s sword blade. I'm getting this from http://www.thewayoftheninja.tk its under wepons.