The exclusive mold opening copper Samurai Dao [Meiji Guangxiu] is forged in 100 steel, commonly known as pattern steel. It is processed by the blue baking process. The blade is completely manual [grinding and grinding white double line flame pattern]. It is bent 90 degrees without deformation, and the hardness is up to 60 degrees. 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, and the blade width is 3.2 cm. The exclusive mold opening pure copper precision carving Dao Tan and the fine solid wood lacquer sheath