Copper Torsion Pattern Roasted Blue Warrior Blade [Forever] The blade is made of a lot of refined pattern steel with blue twist pattern. The hardness is as high as 60 °. The iron will not hurt the blade. The pure copper carving suit is extremely flexible and bent for 90 seconds. The sheath is 103 cm long, the blade is 71 cm long, the handle is 26 cm long, and the blade is 3.2 cm wide. The handle is really fish skin. It is equipped with a high-end brocade box, solid wood, large lacquer sheath, and coarse lower thread. It is very delicate and elegant