Samurai sword [ye Huo dark ember] the body is forged with high manganese steel, and the blacking process. The hardness is up to 60 °. Cutting iron does not hurt the blade. The total length of the sheath is 103 cm, the blade length is 71 cm, the handle length is 26 cm, the blade width is 3.2 cm, and the blade width is 3.2 cm. The alloy is equipped with a solid wood paint sheath,