Forged Japan sword high manganese steel long knife unedged

Full length: 103cm/40.5inch
Blade length: 72cm/28.3inch
Pattern length: 26cm
First width/yuan width: 2.3cm/3.2cm
First weight/yuan weight: 0.4cm/0.7cm
Cut first: 3.7cm
Reversed: 1.8cm
Cutting material: high-carbon steel
Blade structure: all steel
Heat treatment method: water quenching
Rim/Head: Alloy
Methorang: Alloy
Cut feathers: Copper
Blade: Iron
Knife: Copper
Sheath material: solid wood lacquer
Bottom: Cotton rope
Weight: 1.2kg
Giveaway: Box
Others: handmade, there will be an error in size