Hatsukokoro Kokugei Blue #1 Kurouchi Petty 120mm with Mono Ebony Handle
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The Hatsukokoro Kokugei Blue #1 Petty 120mm is a compact, tall-profile Japanese utility knife with the board clearance of a miniature santoku. Its Aogami #1 carbon-steel core takes an exceptionally keen edge, while reactive iron cladding and a rustic kurouchi finish give the knife its distinctive, work-focused character.
Why we like it
This is not a narrow Western-style paring knife. The Kokugei petty has extra height at the heel, making it comfortable for small-board work such as garlic, shallots, fruit, herbs, garnishes and trimming boneless proteins. The 120mm format is nimble in tight spaces, and the octagonal mono ebony handle keeps the knife balanced and precise.
Specifications
- Brand: Hatsukokoro
- Series: Kokugei
- Knife type: Tall petty / compact utility knife
- Made in: Japan
- Construction: San-mai
- Core steel: Aogami #1 / Blue #1 carbon steel
- Cladding: Reactive iron
- Finish: Kurouchi blacksmith finish with polished bevel
- Hardness: Approximately 62–63 HRC
- Edge: Double bevel, approximately 50/50
- Listed blade length: 120mm
- Cutting edge: Approximately 120–125mm
- Blade height: Approximately 38–40mm at the heel
- Spine thickness: Approximately 3mm at the heel
- Overall length: Approximately 253–255mm
- Weight: Approximately 90–100g
- Handle: Octagonal mono ebony wa handle
- Handedness: Ambidextrous
Measurements and appearance may vary slightly because these knives are forged and finished by hand. Variation in the kurouchi finish, forge marks and minor asymmetry are normal characteristics of this rustic line.
Carbon-steel care
The Blue #1 core and iron cladding are fully reactive. Wash and dry the knife immediately after use, never place it in a dishwasher, and do not leave it wet or resting against acidic ingredients. A natural patina will form with use and is expected. Apply a thin coat of food-safe camellia or mineral oil before longer storage.
Recommended use
Excellent for fruit, shallots, garlic, herbs, garnishes and boneless protein trimming. Use a wooden or soft synthetic cutting board. Do not use it on bones, frozen food or very hard ingredients, and avoid twisting or prying with the edge.
Tokushu's Guarantee
We take full responsibility for ensuring your knife arrives safely and in perfect condition. If you experience any shipping delays, damage, or other issues, don’t worry—we’ve got you covered. Contact us, and we’ll handle everything until your knife is in your hands.
Insured and Protected
We provide shipping insurance on every order for your peace of mind. If your package is lost or not delivered, we handle the claim process to secure a refund or replacement for you.
For assistance, contact us at anthony@tokushuknife.eu.
Shipping information
Orders are dispatched from our workshop in Malta. Delivery times vary by destination and are in addition to our standard processing period of up to two business days.
Orders delivered within the European Union are shipped from within the EU, so no import duties are normally due upon delivery. For supported destinations outside the EU, when duties or taxes apply, we use Delivery Duty Paid (DDP) services so the applicable charges are handled in advance.
We handle shipping issues, including lost packages and claims. For assistance, contact us at anthony@tokushuknife.eu.
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