[Yanxun] high performance Samurai dagger, zinc alloy dagger, Tan pure copper dagger cluster, blade spring steel forging bending 90 degrees, no deformation, with blood groove, hardness up to 60 ° The blade is 103 cm long, 71 cm long, 26 cm long, and 3.2 cm wide. The wooden lacquer sheath is painted with a family emblem handed down from generation to generation