Lyuesword Shirasaya Sword Full Tang Clay Tempered Blade Wakizashi Fully hand-forged blade Full Tang Clay Tempered with Hamon Bo-hi (blood groove) is added to each side of the blade which can not only lighten the blade but also balance it to achieve optimal performance The blade was made of T10 high carbon steel, and it has been laminated in a Maru structure with a clay temper line