Stealth Black Ninja Sword: These swords, traditionally known as ninja-ken swords, where made from the broken remnants of samurai swords that where found broken on the battlefield in feudal times. Ninja where not allowed to learn the swordplay of the samurai and created their own art of stealth and invisibility. This weapon is small enough to fit snugly on your back when performing any espionage mission. Be a real assassin and deck yourself out with all the ninja gear you might need for overtaking your adversary. Measures: Overall 38.5 inches -á41 inches in scabbard, Blade Length 28 inches, 11 inch handle, and 11.75 inch blow-tube.