Hatsukokoro Kurogane Blue #2 Kurouchi Honesuki 150mm with Mono Ebony Handle
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Overview
The Hatsukokoro Kurogane Blue #2 Honesuki is a purpose-built Japanese poultry knife with the stiffness, pointed tip and controlled geometry needed to work cleanly around joints and bones. Its 150mm-class blade is compact enough for detailed butchery while remaining substantial through the heel.
Made in the Tosa region of Japan for Hatsukokoro, the Kurogane combines an Aogami Blue #2 carbon-steel core with soft iron cladding and a traditional kurouchi finish. The mono ebony handle gives this deliberately rustic blade a dense, understated upgrade.
Designed for poultry and precise butchery
A honesuki is not a flexible Western boning knife. Its stiff triangular blade gives direct feedback and control when following a chicken carcass, opening joints, removing meat from bone, trimming tendons and portioning smaller proteins.
The Kurogane has a sturdy spine with a modest distal taper and a slightly convex workhorse grind. It prioritises control, durability and reliable food release rather than the very thin geometry of a general-purpose slicing knife. The double-bevel edge makes this version suitable for both right- and left-handed users.
This knife is intended to work around bone. It should not be used to chop through hard bones, frozen food or dense shells.
Blue #2 carbon steel
Aogami Blue #2 is valued for taking a keen edge, holding it well and responding predictably on sharpening stones. Here it is hardened to approximately 61–63 HRC and supported by reactive soft iron cladding.
Both the core and cladding can patina or rust if left wet. The kurouchi finish reduces the amount of exposed iron on the upper blade but does not make the knife stainless. Hand-wash, dry immediately and apply a light coat of food-safe knife oil before extended storage.
Specifications
| Brand | Hatsukokoro |
|---|---|
| Series | Kurogane |
| Knife type | Honesuki / Japanese poultry boning knife |
| Place of manufacture | Tosa, Japan |
| Core steel | Aogami Blue #2 carbon steel |
| Cladding | Soft iron, san-mai construction |
| Finish | Kurouchi |
| Edge length | Approximately 155mm |
| Overall length | Approximately 297mm |
| Blade height | Approximately 43mm at the heel |
| Spine thickness | Approximately 3.4mm at heel; 2.8mm mid-blade; 1.5mm near tip |
| Weight | Approximately 145g |
| Hardness | Approximately 61–63 HRC |
| Grind | Double bevel, slightly convex |
| Handle | Octagonal mono ebony wa handle |
| Hand orientation | Ambidextrous |
| Steel care | Fully reactive carbon-steel construction |
Measurements can vary slightly because these knives are forged and finished by hand.
Care and use
- Use for poultry, joint work, trimming meat, tendons and connective tissue.
- Do not chop through hard bone or use on frozen food.
- Hand-wash only and dry immediately after use.
- Expect a natural patina to develop on exposed carbon steel.
- Oil lightly before long-term storage.
- Use a wooden or quality synthetic cutting board.
Common questions
Can this honesuki cut through bone?
It is designed to work around bone and through joints or cartilage, not to cleave through hard bones.
Is it suitable for left-handed cooks?
Yes. This Kurogane honesuki uses a double-bevel grind and is suitable for either hand.
Is the blade stainless?
No. The Blue #2 core and soft iron cladding are both reactive and require prompt cleaning and drying.
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 destinations outside the EU, customs duties, taxes, and import charges depend on the destination and shipping service selected. Where a duties-paid service is available, this will be shown at checkout.
We handle shipping issues, including lost packages and claims. For assistance, contact us at anthony@tokushuknife.eu.
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Cut Above the Rest
Built to Last
The high-grade steel we use is carefully selected and forged using techniques that have been proven over centuries. These knives aren’t just sharp – they’re built to stay that way through years of daily use. Plus, they develop a beautiful patina over time that tells the story of your cooking journey.
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Frequently Asked Questions
Order
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.
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 and work with you to arrange an appropriate refund or replacement.
For assistance, contact us at anthony@tokushuknife.eu
Orders are dispatched from our workshop in Malta. Delivery times and shipping charges vary by destination and are shown at checkout. Estimated transit times 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 destinations outside the EU, applicable taxes, customs duties and import charges depend on the destination and the shipping service selected. Where a duties-paid service is available, this will be indicated at checkout.
We provide shipping insurance on every order and manage claims for lost or undelivered packages. For assistance, contact us at anthony@tokushuknife.eu.
