"Akahane" Hand-Forged Katana - 1065 High Carbon Steel Blade/Red-Grained Leatherwood Sheath - 40.5" Overall(28.3" Blade) - Oil Quenched & Tempered - Zinc Alloy Habaki - No.390Battle-ready katana

Swift Shadow Series "Crimson Feather" - No.390‌

▌Forging System‌
• Steel: 1065 carbon (Scarlet-edge)
• Process: Gale oil-quench + feather temper
• Hardness: 58-60HRC (Combat-grade)
• Feature: Scarlet shadow blade

▌Specifications‌
• Total length: 103cm (Standard)
• Blade length: 72cm (Streamlined arc)
• Thickness: 7mm (Balanced flex)
• Balance: 6.8cm (Swift equilibrium)

▌Mountings‌
• Saya: Vermilion-treated green-bark
• Fittings: Zinc alloy tsuba (Feather-carved)
• Tsukamaki: Red-white wrap
• Sageo: Crimson tassel

※ Scarlet blade, swift as feather (Individually numbered)‌

Note: Artisan variations within ±0.1cm, ±10g weight