Hand forged play too defense cold weapon film Japanese Katana. 73.4 [Yuan weight] 0.77 [first weight] 0.51? 3.21 [first frame] 2.5 [Tangent line] 3.7?6 [edge grain] wave pattern? 58.08HRC Artificial fish skin [Sheath material] Solid wood paint [Fittings] Zinc alloy loading [Gross weight] 1.4Kg net Weight: 1Kg? The blade body is forged by hand, after forging, heat calcining, shoveling, filing and grinding Grinding, grinding, tempering, hand grinding and other ancient Longquan sword manufacturing process Make it.