Copper sword pattern steel Japanese command film collection katana. Nine Rings (long) Process: Longquan traditional hand-wrapped copper, copper leather wrapped on the sheath to play a protective and binding role It is beautiful and does not cause shrinkage cracking due to wet and dry weather Total length: 103cm Blade length: 72cm Handle length: 27.5cm Blade width: 3.2cm Cutting material: patterned steel Thickness: 0.75cm Sheath material: pure copper Fittings: pure copper Net weight: 1.85kg.