{"product_id":"fireforge-bunka-210mm-tricolour-multimetal-laminated-knife","title":"Bunka Knife — K-Tip Precision Control | Structured Vegetable Work","description":"\u003cp data-start=\"391\" data-end=\"732\"\u003eThis 210 mm bunka knife is designed for precise vegetable preparation, herb work, and fine slicing of boneless proteins. The flat edge maintains stable board contact during push cuts, while the angular k-tip allows controlled entry for detail work. The blade follows a predictable path through ingredients, prioritising precision over force.\u003c\/p\u003e\n\u003ch3 data-section-id=\"x77wab\" data-start=\"739\" data-end=\"764\"\u003eFunctional Behaviour\u003c\/h3\u003e\n\u003cp data-start=\"765\" data-end=\"1059\"\u003eIt performs push cuts and short slicing motions with controlled resistance. The sensation is precise and stable, with a clean entry and defined feedback. This behaviour results from a relatively thin geometry supported by a mid-hardness stainless core that balances sharpness with durability.\u003c\/p\u003e\n\u003cp data-start=\"1061\" data-end=\"1277\"\u003eThe blade tracks accurately and resists deviation during straight cuts. The k-tip improves control in fine work. In exchange, the knife sacrifices impact tolerance and is not suited for aggressive or heavy cutting.\u003c\/p\u003e\n\u003cp data-start=\"1279\" data-end=\"1404\"\u003eEdge retention is moderate. It holds working sharpness longer than softer stainless steels but below high-hardness systems.\u003c\/p\u003e\n\u003cp data-start=\"1406\" data-end=\"1512\"\u003eSharpening is predictable and efficient. The steel responds well to standard stones with low complexity.\u003c\/p\u003e\n\u003cp data-start=\"1514\" data-end=\"1654\"\u003ePerformance remains consistent over time. The knife maintains stable cutting behaviour across repeated use with minimal need for correction.\u003c\/p\u003e\n\u003ch3 data-section-id=\"b9ftfi\" data-start=\"1661\" data-end=\"1684\"\u003eBlade Architecture\u003c\/h3\u003e\n\u003cp data-start=\"1685\" data-end=\"1892\"\u003eThe bunka profile combines a flat forward section with an angular k-tip, reinforcing precision and board stability. The flat edge improves contact consistency, while the tip enables controlled detail work.\u003c\/p\u003e\n\u003cp data-start=\"1894\" data-end=\"2078\"\u003eA blade thickness of approximately 2.2 mm maintains structural stability while allowing efficient penetration. The geometry prioritises tracking accuracy over aggressive cutting speed.\u003c\/p\u003e\n\u003ch3 data-section-id=\"hss68f\" data-start=\"2085\" data-end=\"2115\"\u003eEngineering and Materials\u003c\/h3\u003e\n\u003cp data-start=\"2116\" data-end=\"2206\"\u003eThe cutting core is made from \u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003e\u003cspan class=\"whitespace-normal\"\u003e12Cr18MoV stainless steel\u003c\/span\u003e\u003c\/span\u003e hardened to ~60 HRC.\u003c\/p\u003e\n\u003cp data-start=\"2208\" data-end=\"2264\"\u003eThe laminated structure consists of 37 layers formed by:\u003c\/p\u003e\n\u003cul data-start=\"2266\" data-end=\"2390\"\u003e\n\u003cli data-section-id=\"7nezfi\" data-start=\"2266\" data-end=\"2318\"\u003eSUS410 stainless steel (outer structural layers)\u003c\/li\u003e\n\u003cli data-section-id=\"c8hpuh\" data-start=\"2319\" data-end=\"2350\"\u003eBrass (intermediate layers)\u003c\/li\u003e\n\u003cli data-section-id=\"p2sfct\" data-start=\"2351\" data-end=\"2390\"\u003ePurple copper (intermediate layers)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2392\" data-end=\"2476\"\u003eThese materials are forge-bonded around the core to create a multimetal structure.\u003c\/p\u003e\n\u003cp data-start=\"2478\" data-end=\"2493\"\u003eFunctionally:\u003c\/p\u003e\n\u003cul data-start=\"2494\" data-end=\"2707\"\u003e\n\u003cli data-section-id=\"12ure36\" data-start=\"2494\" data-end=\"2576\"\u003eThe \u003cstrong data-start=\"2500\" data-end=\"2574\"\u003ecore steel defines edge retention, sharpness, and sharpening behaviour\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"evqkaq\" data-start=\"2577\" data-end=\"2650\"\u003eThe \u003cstrong data-start=\"2583\" data-end=\"2648\"\u003eouter layers provide structural support and surface stability\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1xvjtth\" data-start=\"2651\" data-end=\"2707\"\u003eCopper and brass layers may develop patina over time\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2709\" data-end=\"2864\"\u003eCompared to X50CrMoV15, the core offers slightly higher edge retention. Compared to high-hardness steels, it remains more forgiving and easier to maintain.\u003c\/p\u003e\n\u003ch3 data-section-id=\"6zj3g6\" data-start=\"2871\" data-end=\"2894\"\u003eHandle Engineering\u003c\/h3\u003e\n\u003cp data-start=\"2895\" data-end=\"3053\"\u003eThe octagonal handle combines desert ironwood, black G10, white bone, and metal spacers. This configuration improves grip stability and moisture resistance.\u003c\/p\u003e\n\u003cp data-start=\"3055\" data-end=\"3197\"\u003eThe geometry supports controlled hand positioning, enabling precision during detailed work. Balance is neutral, avoiding forward or rear bias.\u003c\/p\u003e\n\u003ch3 data-section-id=\"16kaosu\" data-start=\"3204\" data-end=\"3230\"\u003eManufacturing Process\u003c\/h3\u003e\n\u003cp data-start=\"3231\" data-end=\"3353\"\u003eA multilayer billet is constructed by forge-bonding SUS410 stainless steel, brass, and copper around the 12Cr18MoV core.\u003c\/p\u003e\n\u003cp data-start=\"3355\" data-end=\"3557\"\u003eThe blade undergoes controlled heat treatment to stabilise hardness at ~60 HRC. Precision grinding defines geometry, and etching reveals the layered structure. Final honing establishes the cutting edge.\u003c\/p\u003e\n\u003ch3 data-section-id=\"1w4xz9l\" data-start=\"3564\" data-end=\"3583\"\u003eFunctional Use\u003c\/h3\u003e\n\u003cp data-start=\"3585\" data-end=\"3604\"\u003e\u003cstrong data-start=\"3585\" data-end=\"3602\"\u003eDesigned for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3605\" data-end=\"3702\"\u003e\n\u003cli data-section-id=\"1v0nq0u\" data-start=\"3605\" data-end=\"3630\"\u003eVegetable preparation\u003c\/li\u003e\n\u003cli data-section-id=\"1fnjgji\" data-start=\"3631\" data-end=\"3650\"\u003eHerb processing\u003c\/li\u003e\n\u003cli data-section-id=\"12n45yr\" data-start=\"3651\" data-end=\"3680\"\u003eBoneless protein trimming\u003c\/li\u003e\n\u003cli data-section-id=\"xjitij\" data-start=\"3681\" data-end=\"3702\"\u003ePrecision slicing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3704\" data-end=\"3727\"\u003e\u003cstrong data-start=\"3704\" data-end=\"3725\"\u003eNot designed for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3728\" data-end=\"3799\"\u003e\n\u003cli data-section-id=\"vff2yg\" data-start=\"3728\" data-end=\"3744\"\u003eBone cutting\u003c\/li\u003e\n\u003cli data-section-id=\"axa54w\" data-start=\"3745\" data-end=\"3760\"\u003eFrozen food\u003c\/li\u003e\n\u003cli data-section-id=\"a1u832\" data-start=\"3761\" data-end=\"3780\"\u003eImpact chopping\u003c\/li\u003e\n\u003cli data-section-id=\"w3ucqh\" data-start=\"3781\" data-end=\"3799\"\u003eHeavy-duty use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eKnife Type\u003c\/td\u003e\n\u003ctd\u003eBunka Knife\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Length\u003c\/td\u003e\n\u003ctd\u003e210 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOverall Length\u003c\/td\u003e\n\u003ctd\u003e365 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Thickness\u003c\/td\u003e\n\u003ctd\u003e~2.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Height\u003c\/td\u003e\n\u003ctd\u003e~53.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e~217 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Steel\u003c\/td\u003e\n\u003ctd\u003e12Cr18MoV\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Layers\u003c\/td\u003e\n\u003ctd\u003eSUS410 stainless steel, brass, purple copper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConstruction\u003c\/td\u003e\n\u003ctd\u003e37-layer tricolour laminated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHardness\u003c\/td\u003e\n\u003ctd\u003e~60±2 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEdge Angle\u003c\/td\u003e\n\u003ctd\u003e15° per side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eDesert ironwood, black G10, white bone, metal spacers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBalance\u003c\/td\u003e\n\u003ctd\u003eNeutral\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eCertification\u003c\/th\u003e\n\u003cth\u003eScope\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003ctd\u003eEU safety compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLFGB\u003c\/td\u003e\n\u003ctd\u003eFood-contact compliance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSGS\u003c\/td\u003e\n\u003ctd\u003eIndependent verification\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"FireForge Knives","offers":[{"title":"Knife + Acacia Wood Box","offer_id":52946298667337,"sku":"14:175#Knife","price":296.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2980\/0777\/files\/Max_1200_X_1200_50.jpg?v=1762135849","url":"https:\/\/fireforgeknives.com\/products\/fireforge-bunka-210mm-tricolour-multimetal-laminated-knife","provider":"FireForge Knives ","version":"1.0","type":"link"}