The ninja sword (ninja-to) was different than that of the samurai. ... They were hand made specially for each samurai, taking great care to make a very high quality sword. It was so sharp that it could easily cut a man in two, even through their armor. The length of the samurai swords averaged around 26 1/2 to 37 inches.
ADIDAS COMPLETE TAEKWONDO SPARRING GEAR SET WITH SHIN INSTEP
