Katana Sakura Radiance Oroshigane Kobuse Blade Kōei Koshirae 櫻輝 Katana placing a hardened steel core

placing a hardened steel core between softer outer layers for strength

lustrous surface reflects light beautifully

The saya (鞘) features raden-style lacquer (螺鈿塗)—a glossy black surface with fine reflective particles

and the tsuba (鍔) is a round nickel silver guard

Katana Sakura Radiance Oroshigane Kobuse Blade Kōei Koshirae 櫻輝 Katana placing a hardened steel coreFolded Oroshigane Steel Shinken () Sakura Radiance Katana: TangGu () Oroshigane () Kobuse Blade () + TangGu () Kei Koshirae () This uchigatana is forged from in house refined Oroshigane () steel, using Kobuse zukuri () construction in which a hardened outer layer encases a softer core, the same principle employed in traditional tamahagane blades to achieve both sharpness and resilience. Repeated folding produces a flowing Masame hada () grain pattern