So here we have the katana, which is based upon the dimensions of the Kukishinden Ryu katana specifications. And this is the ninja-to from the Togakure Ryu school. You can see the difference in the size and length. And the Kukishinden Ryu katana, which is indicative of the more normal length type sword. And the ninja-to, the Togakureryu ninja-to, which shows the difference in length between ninja-to and katana in general. However, ninja-to could sometimes be serrated and have different characteristics as well as a katana. So, just a small introduction to the difference between the ninja-to and the traditional katana.