{"product_id":"hatsukokoro-sumi-blue-2-petty-80mm-blade-only","title":"Hatsukokoro Sumi Blue 2 Petty 80mm (Blade Only)","description":"\u003cp\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKnife Style:\u003c\/strong\u003e\u003cspan\u003e Petty\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eSteel Type: \u003c\/strong\u003e\u003cspan\u003eCarbon Steel\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBlade Material:\u003c\/strong\u003e\u003cspan\u003e Aogami Blue #2\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBlade Finish:\u003c\/strong\u003e\u003cspan\u003e Kurouchi\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBlade Hardness:\u003c\/strong\u003e\u003cspan\u003e 62HRC (+\/-1)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eBevel:\u003c\/strong\u003e\u003cspan\u003e Double\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eHandle:\u003c\/strong\u003e\u003cspan\u003e None ➛ \u003cspan style=\"color: #0066ff;\"\u003e\u003ca href=\"https:\/\/kakushin.ca\/collections\/handles-blanks\" title=\"Choose yours\" style=\"color: #0066ff;\" target=\"_blank\"\u003eChoose yours\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eBlade Length:\u003c\/b\u003e\u003cspan\u003e 80\u003c\/span\u003e\u003cspan\u003emm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eHeel Height:\u003c\/strong\u003e\u003cspan\u003e 26mm\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eSpine Thickness:\u003c\/strong\u003e\u003cspan\u003e 1.60mm (Tapered)\u003c\/span\u003e\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e ~24g\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"157\" data-end=\"602\"\u003eAt first glance, it’s that rugged, unpolished kurouchi finish that grabs your attention—raw, forged, and totally unapologetic. Look a little closer, though, and you’ll see the finesse hiding under the surface: a clean, expressive spine taper that starts thick and confident near the handle, then thins out smoothly toward a nimble tip. This geometry brings a surprising amount of balance and control to a blade that still feels earthy and tough.\u003c\/p\u003e\n\u003cp data-start=\"604\" data-end=\"1008\"\u003eThis is the Hatsukokoro Blue #2 series—a lineup that doesn’t just reference traditional Japanese bladesmithing, but genuinely \u003cem data-start=\"730\" data-end=\"737\"\u003elives\u003c\/em\u003e it. Each knife is hand-forged in Japan by craftsmen keeping the heritage of regions like Tosa and Sakai alive. With a hardness of around 62 HRC, these blades offer that crisp, razor-friendly sharpness you want from Aogami, while still being easy to touch up when needed.\u003c\/p\u003e\n\u003cp data-start=\"1227\" data-end=\"1460\"\u003eOne of the charms of this series is its individuality—small forge marks, subtle asymmetries, tiny differences from piece to piece. These aren’t flaws; they’re fingerprints. Proof that a human shaped this blade, not a production line.\u003c\/p\u003e\n\u003cp data-start=\"1462\" data-end=\"1745\"\u003eKakushin can handle the blade-to-handle assembly for you at our shop. If you're new to the custom knife world and want to confirm the fit and sizing of a handle with a specific blade, feel free to \u003ca href=\"https:\/\/kakushin.ca\/pages\/contact-us\"\u003ereach out\u003c\/a\u003e!\u003c\/p\u003e","brand":"Made in Japan","offers":[{"title":"Default Title","offer_id":50984312078569,"sku":null,"price":90.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0261\/4368\/6711\/files\/hatsukokoro-sumi-blue-2-petty-80mm-blade-only-2317912.png?v=1778368568","url":"https:\/\/kakushin.ca\/products\/hatsukokoro-sumi-blue-2-petty-80mm-blade-only","provider":"Kakushin","version":"1.0","type":"link"}