Chinese knife embroidery spring knife long horizontal knife unedged

Name: Shuanglong Qing Knife
Overall length: 103cm/40.5inch
Blade length: 70cm/27.5inch
Blade width: 3.6cm
Blade thickness: 0.4cm
Cutting material: 1060 high manganese steel
Sheath material: black version with solid wood wrapped in leather, brown version with wenge
Shank material: Zinc alloy
Equipment: Zinc alloy
Total weight: 1.57kg
Unsheath weight: 1.17kg
Others: There are errors in handmade products