Katana or nihonto (Japanese name of samurai sword), is known throughout the world for its beauty and sharpness. You can see the artistically decorated scabbard, and also the wave pattern of the blade called hamon, which are the characteristics of katana.
The name for a double sword, shaped in all forms and purposes, like a Japanese katana. Joined at both the top and bottom of the hilt, pulled apart with a small switch at the bottom. Can be used as both one or two swords.