Top Hitatsura (皆烧) Hamon L6 Acciaio Argilla Temperato Giapponese Katana Samurai Spada
Blade Material:Clay Tempered L6 Steel Hitatsura Hamon. Differential hardened and clay tempered, water quenched and polished.This blade is polished and sharpened by 14 different process.The hardness has reached 60 HRC.