{"product_id":"octagonal-wa-handle-150mm-ebony-rosewood-maple","title":"Handmade Octagonal Wa-Handle 150mm - Natural Hardwood \u0026 Buffalo Horn (Ebony \/ Rosewood \/ Maple)","description":"\u003cp data-path-to-node=\"4\"\u003e\u003cspan class=\"\"\u003eEngineered to restore balance and command to larger Japanese blades,\u003c\/span\u003e\u003cspan\u003e this 150mm octagonal (\u003c\/span\u003e\u003ci data-path-to-node=\"4\" data-index-in-node=\"91\"\u003eHakkaku\u003c\/i\u003e\u003cspan\u003e) knife handle delivers substantial reach,\u003c\/span\u003e\u003cspan\u003e ergonomic indexing,\u003c\/span\u003e\u003cspan\u003e and refined artisan styling.\u003c\/span\u003e\u003cspan\u003e Available in three distinct natural hardwoods—dense Black Ebony,\u003c\/span\u003e\u003cspan\u003e warm Rosewood,\u003c\/span\u003e\u003cspan\u003e or clean Hard Maple—each handle is capped with a genuine,\u003c\/span\u003e\u003cspan\u003e hand-polished water buffalo horn ferrule (\u003c\/span\u003e\u003ci data-path-to-node=\"4\" data-index-in-node=\"370\"\u003etsuno\u003c\/i\u003e\u003cspan\u003e) for a seamless,\u003c\/span\u003e\u003cspan\u003e moisture-resistant collar transition.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"5\"\u003e\u003cspan\u003eDesigned specifically for custom knife makers and seamless re-handling,\u003c\/span\u003e\u003cspan\u003e each handle features a precision-machined \u003c\/span\u003e\u003cb data-path-to-node=\"5\" data-index-in-node=\"114\"\u003e10mm x 4mm tang entry slot backed by an internal secondary relief chamber\u003c\/b\u003e\u003cspan\u003e.\u003c\/span\u003e\u003cspan\u003e This structural relief allows stepped tang shoulders to seat cleanly and provides room for displaced epoxy or hot-melt resin to expand safely,\u003c\/span\u003e\u003cspan\u003e eliminating hydraulic back-pressure and protecting the buffalo horn from stress cracks.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-path-to-node=\"7\"\u003eKey Features\u003c\/h2\u003e\n\u003cul data-path-to-node=\"8\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,0\"\u003e\u003cb data-path-to-node=\"8,0,0\" data-index-in-node=\"0\"\u003eThree Select Hardwood Variants:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"8,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,0,0\"\u003e\u003cb data-path-to-node=\"8,0,1,0,0\" data-index-in-node=\"0\"\u003eBlack Ebony:\u003c\/b\u003e\u003cspan\u003e Ultra-dense,\u003c\/span\u003e\u003cspan\u003e naturally water-resistant,\u003c\/span\u003e\u003cspan\u003e and dark as obsidian.\u003c\/span\u003e\u003cspan\u003e Adds substantial counterweight to balance heavy,\u003c\/span\u003e\u003cspan\u003e forward-leaning chef knives.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,1,0\"\u003e\u003cb data-path-to-node=\"8,0,1,1,0\" data-index-in-node=\"0\"\u003eNatural Rosewood:\u003c\/b\u003e\u003cspan\u003e Rich reddish-brown tones with prominent dark grain lines and natural resinous oils that resist kitchen moisture.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,0,1,2,0\"\u003e\u003cb data-path-to-node=\"8,0,1,2,0\" data-index-in-node=\"0\"\u003eHard Maple:\u003c\/b\u003e\u003cspan\u003e Blonde-to-caramel tight grain figure offering a clean,\u003c\/span\u003e\u003cspan\u003e contemporary Scandinavian-Japanese aesthetic with resilient surface density.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,1,0\"\u003e\u003cb data-path-to-node=\"8,1,0\" data-index-in-node=\"0\"\u003eGenuine Water Buffalo Horn Ferrule:\u003c\/b\u003e\u003cspan\u003e Hand-fitted and polished to an ultra-flush transition with the wooden body,\u003c\/span\u003e\u003cspan\u003e acting as a durable bolster that guards against tang-entry moisture intrusion.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,2,0\"\u003e\u003cb data-path-to-node=\"8,2,0\" data-index-in-node=\"0\"\u003eCommanding 150mm Dimensions:\u003c\/b\u003e\u003cspan class=\"\"\u003e Specifically proportioned for larger blades.\u003c\/span\u003e\u003cspan\u003e Delivers optimal visual symmetry and counterbalance for 240mm–300mm Gyutos,\u003c\/span\u003e\u003cspan\u003e 270mm–330mm Sujihikis,\u003c\/span\u003e\u003cspan\u003e and 270mm–330mm Yanagibas.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,3,0\"\u003e\u003cb data-path-to-node=\"8,3,0\" data-index-in-node=\"0\"\u003eErgonomic Octagonal (Hakkaku) Geometry:\u003c\/b\u003e\u003cspan\u003e Symmetrical eight-faceted profile seats securely along the joints of the palm and fingers,\u003c\/span\u003e\u003cspan\u003e providing natural tactile index feedback for blade angle and slip resistance in wet prep environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"8,4,0\"\u003e\u003cb data-path-to-node=\"8,4,0\" data-index-in-node=\"0\"\u003ePre-Machined 10mm x 4mm Tang Entry \u0026amp; Relief Cavity:\u003c\/b\u003e\u003cspan class=\"\"\u003e Accommodates traditional forged tang profiles while the internal secondary relief channel absorbs displaced adhesive during installation to prevent pressure splits.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-path-to-node=\"10\" class=\"\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"11\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAttribute\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,0,0\"\u003e\u003cb data-path-to-node=\"11,1,0,0\" data-index-in-node=\"0\"\u003eProduct Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,1,1,0\"\u003eJapanese Wa-Handle (Replacement \/ Custom Component)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,0,0\"\u003e\u003cb data-path-to-node=\"11,2,0,0\" data-index-in-node=\"0\"\u003eProfile\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,2,1,0\"\u003eOctagonal (Hakkaku)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,0,0\"\u003e\u003cb data-path-to-node=\"11,3,0,0\" data-index-in-node=\"0\"\u003eTotal Length\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,3,1,0\"\u003e150mm (~5.91 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,0,0\"\u003e\u003cb data-path-to-node=\"11,4,0,0\" data-index-in-node=\"0\"\u003eWood Options\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,4,1,0\"\u003eNatural Black Ebony \/ Natural Rosewood \/ Natural Hard Maple\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,0,0\"\u003e\u003cb data-path-to-node=\"11,5,0,0\" data-index-in-node=\"0\"\u003eFerrule Material\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,5,1,0\"\u003eGenuine Natural Water Buffalo Horn (\u003ci data-path-to-node=\"11,5,1,0\" data-index-in-node=\"36\"\u003eTsuno\u003c\/i\u003e)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,0,0\"\u003e\u003cb data-path-to-node=\"11,6,0,0\" data-index-in-node=\"0\"\u003eTang Slot Dimensions\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,6,1,0\"\u003e10mm (W) x 4mm (H)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,0,0\"\u003e\u003cb data-path-to-node=\"11,7,0,0\" data-index-in-node=\"0\"\u003eInternal Cavity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,7,1,0\"\u003ePrecision-Slotted Channel with Internal Relief Chamber\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,8,0,0\"\u003e\u003cb data-path-to-node=\"11,8,0,0\" data-index-in-node=\"0\"\u003eTypical Compatibility\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,8,1,0\"\u003e240mm–300mm Gyuto; 270mm–330mm Sujihiki \u0026amp; Yanagiba \/ Sakimaru\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,9,0,0\"\u003e\u003cb data-path-to-node=\"11,9,0,0\" data-index-in-node=\"0\"\u003eOrigin\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"11,9,1,0\"\u003eHandcrafted in Japan\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 data-path-to-node=\"13\" class=\"\"\u003eInstallation \u0026amp; Fitting Guidelines\u003c\/h2\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003e\u003cb data-path-to-node=\"14,0,0\" data-index-in-node=\"0\"\u003eTang Sizing \u0026amp; Adjustments:\u003c\/b\u003e\u003cspan class=\"\"\u003e Forged Japanese knife tangs vary by blacksmith workshop and region.\u003c\/span\u003e\u003cspan class=\"\"\u003e If your knife’s tang shoulders exceed 10mm x 4mm,\u003c\/span\u003e\u003cspan class=\"\"\u003e use a narrow flat needle file to gently widen the horn entrance mortise.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003e\u003cb data-path-to-node=\"14,1,0\" data-index-in-node=\"0\"\u003eRelief Channel Dynamics:\u003c\/b\u003e\u003cspan\u003e As you seat the blade into adhesive,\u003c\/span\u003e\u003cspan\u003e the secondary interior chamber captures displaced glue.\u003c\/span\u003e\u003cspan\u003e This prevents hydraulic compression from forcing the handle off or cracking the horn ferrule.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,0\"\u003e\u003cb data-path-to-node=\"14,2,0\" data-index-in-node=\"0\"\u003eAdhesive Selection:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"14,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,1,0,0\"\u003e\u003cb data-path-to-node=\"14,2,1,0,0\" data-index-in-node=\"0\"\u003eReversible \/ Traditional:\u003c\/b\u003e\u003cspan\u003e Use jeweler’s hot-melt glue or wood glue combined with wood dust.\u003c\/span\u003e\u003cspan\u003e Allows future removal and re-handling using gentle heat application.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,2,1,1,0\"\u003e\u003cb data-path-to-node=\"14,2,1,1,0\" data-index-in-node=\"0\"\u003ePermanent:\u003c\/b\u003e\u003cspan\u003e Marine-grade two-part epoxy (e.\u003c\/span\u003e\u003cspan\u003eg.,\u003c\/span\u003e\u003cspan\u003e G\/flex 650) creates a 100% waterproof,\u003c\/span\u003e\u003cspan\u003e permanent seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,3,0\"\u003e\u003cb data-path-to-node=\"14,3,0\" data-index-in-node=\"0\"\u003eNatural Material Maintenance:\u003c\/b\u003e\u003cspan\u003e Buffalo horn and natural hardwoods are organic materials.\u003c\/span\u003e\u003cspan\u003e Never submerge the handle in water or run it through a dishwasher.\u003c\/span\u003e\u003cspan\u003e Maintain moisture resistance and surface luster by occasionally applying camellia oil,\u003c\/span\u003e\u003cspan\u003e food-safe mineral oil,\u003c\/span\u003e\u003cspan\u003e or board wax.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Burrfection","offers":[{"title":"Ebony","offer_id":67838535237862,"sku":null,"price":79.0,"currency_code":"USD","in_stock":true},{"title":"Maple","offer_id":67838538416358,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true},{"title":"Rosewood","offer_id":67838538940646,"sku":null,"price":59.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0823\/9608\/6502\/files\/080A0358.jpg?v=1792778509","url":"https:\/\/gyuto.com\/products\/octagonal-wa-handle-150mm-ebony-rosewood-maple","provider":"Gyuto.com","version":"1.0","type":"link"}