Koutetsu knives take their name from Japan’s first ironclad ship. They are manufactured by Takayuki Shibata and Takumi Ikeda, each doing what he’s best at: Ikeda as the forger and Shibata as the grinder and sharpener, something he is famous for around the world.
These knives are forged by SG-2 powder steel (R2) and they are some of the thinner, lighter, sharpest knives in the Japanese knives world. Their special profile with the K-tip makes them distinctive and resembling the destroyer vessel they got their name from.
The Petty is one of the most commonly used knives in the kitchen. A small, general-purpose knife used for peeling, shaping, and slicing fruits and vegetables, chopping herbs, and making garnishes that also can be used in handheld cuts.
| Brand / Blacksmith: | Koutetsu |
| Series: | SG2 |
| Knife type: | Petty 150mm |
| Blade Length / Total length (mm): | 153/280 |
| Grind: | 50/50 |
| Finish: | Polished |
| Steel type: | SG2 |
| Forging method: | San Mai |
| HRC hardness: | 62-63 |
| Handle type / Material / Ferrule: | Octagonal / Rosewood / Black Pakka |
| Spine Thickness at heel / tip (mm): | 1,7/0,3 |
| Blade height at heel (mm): | 33 |
| Weight (gr): | 79 |
| Notes: |












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