Yuuzumi Katana
Yuuzumi Katana – Clay Tempered, Steel Refined by Fire and Patience
The Yuuzumi Katana holds its presence like dusk holds the last shadow — quiet, slow, certain.
Its steel isn’t standard. Refined using a proprietary method — not rushed, not massed — but built over time. Fire, pressure, pause. Again and again, until the metal says yes. The grain runs deep, the feel is dense. You don’t need to measure it.
The blade is clay tempered — yaki-ire, the old way. The edge hardened for truth, the body softened for forgiveness.
What appears along the edge is not painted — it’s born. The hamon is subtle but alive, shifting slightly like breath caught in heat. No two are ever the same.
This katana was never meant to dazzle. And like ink in twilight — it doesn’t fade. It settles.
Katana Specifications
| Parameters | Specification |
| Item Number | Y-1359 |
| Type | Katana |
| Nagasa Material | Special Steel |
| Heat Treatment | Clay Tempering |
| Full Length | 103 cm (40.55 inches) |
| Nagasa (Blade Length) | 71 cm (27.95 inches) |
| Tuska Length | 26 cm (10.24 inches) |
| Blade Width | 3.1 cm (1.22 inches) |
| Blade Thickness | 0.75 cm (0.3 inches) |
| Koshirae | Brass |
| Tsuba | Brass, Gilt |
| Saya | Green Bark Wood |
Materials & Craftsmanship
We choose the right steel for each katana—nothing more, nothing less |
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One continuous piece of steel, from blade to handle |
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Through-hardened or clay-tempered, years of experience get it just right |
Hand-Fitted Koshirae
Shaped to follow the katana’s curve, with a secure fit for a smooth draw without slipping loose |
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For centuries, the tsuba has reflected its owner’s taste—and is often the first detail to catch the eye |
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A comfortable shape, a tight wrap—the first step to bringing out a katana’s true power is a firm grip |