Ace Martial Arts Supply Full Size Samurai Sword Fully Handmade Razor Sharp Musashi Tsuba Katana-Musha Original Musashi/Musha quality katana Razor Sharp Handmade Full Tang Katana Blade is made from high quality carbon steel 1045 Perfect of entry level tameshigiri and practice Check the Musha engraving on seppa (spacer) for authenticity with Musha box. Don't settle with a counterfeit one.