{"product_id":"swann-morton-no-4-handle-no-25-heavy-duty-blades-kit","title":"Authentic Swann-Morton No.4 Handle \u0026 Heavy-Duty No.25 Blades Kit","description":"\u003cstyle\u003e\n    .beautymercado-magnesium-wrapper { font-size: 18px; line-height: 1.55; color: #1A1A1A; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper h2 { font-size: 28px; font-weight: 400; margin: 1.8rem 0 0.8rem 0; color: #000000; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper h2:first-of-type { margin-top: 0; }\n    .beautymercado-magnesium-wrapper h3 { font-size: 22px; font-weight: 400; margin: 1.4rem 0 0.6rem 0; color: #000000; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper h4 { font-size: 20px; font-weight: 400; margin: 1.2rem 0 0.5rem 0; color: #000000; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper h5 { font-size: 18px; font-weight: 600; margin: 1rem 0 0.4rem 0; color: #000000; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper h6 { font-size: 16px; font-weight: 600; margin: 0.8rem 0 0.4rem 0; color: #5B5B5B; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper p { margin-bottom: 1.2em; font-size: 18px; color: #1A1A1A; line-height: 1.55; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper ul { list-style: disc !important; padding-left: 1.2rem !important; margin: 1em 0 1.2em 0 !important; }\n    .beautymercado-magnesium-wrapper ul li { margin-bottom: 0.6rem !important; font-size: 18px !important; color: #1A1A1A !important; line-height: 1.5 !important; font-family: 'Assistant', sans-serif !important; }\n    .beautymercado-magnesium-wrapper ul li b { display: inline !important; font-weight: 700 !important; }\n    .beautymercado-magnesium-wrapper ul li strong { display: inline !important; font-weight: 700 !important; }\n    .beautymercado-magnesium-wrapper table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: 17px; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper th { background: #F5F5F5; font-weight: 600; padding: 0.6rem 1rem; text-align: left; border: 1px solid #E5E5E5; }\n    .beautymercado-magnesium-wrapper td { padding: 0.6rem 1rem; border: 1px solid #E5E5E5; }\n    .beautymercado-magnesium-wrapper details { background: #FAFAFA; border-radius: 20px; padding: 1rem 1.5rem; margin-bottom: 1rem; border: 1px solid #E5E5E5; }\n    .beautymercado-magnesium-wrapper summary { font-weight: 400; cursor: pointer; color: #000000; font-size: 18px; list-style: none; display: flex; justify-content: space-between; align-items: center; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper summary::-webkit-details-marker { display: none; }\n    .beautymercado-magnesium-wrapper summary::after { content: \"+\"; font-size: 22px; font-weight: 400; color: #000000; flex-shrink: 0; margin-left: 1rem; }\n    .beautymercado-magnesium-wrapper details[open] summary::after { content: \"-\"; color: #ec1e29; }\n    .beautymercado-magnesium-wrapper details p { margin-top: 0.8rem; font-size: 18px; color: #1A1A1A; font-family: 'Assistant', sans-serif; }\n    .beautymercado-magnesium-wrapper .note-soft { font-size: 16px; color: #5B5B5B; background: #FAFAFA; padding: 0.75rem 1.5rem; border-radius: 24px; margin-top: 1.5rem; border: 1px solid #E5E5E5; font-family: 'Assistant', sans-serif; }\n    @media (max-width: 650px) { .beautymercado-magnesium-wrapper { padding: 1.25rem; } .beautymercado-magnesium-wrapper h2 { font-size: 22px; } .beautymercado-magnesium-wrapper p { font-size: 18px; } }\n\u003c\/style\u003e\n\u003cdiv style=\"max-width: 100%; margin: 0 auto; background: #ffffff; border-radius: 28px; box-shadow: 0 12px 30px rgba(0,0,0,0.05), 0 4px 8px rgba(0,0,0,0.02); padding: 2rem 1.5rem; font-family: 'Assistant', sans-serif;\" class=\"beautymercado-magnesium-wrapper\"\u003e\n\u003ch2\u003eHeavy-Duty Straight-Edge Precision \u003c\/h2\u003e\n\u003cp\u003eMaster heavy-duty cutting, deep scoring, and straight line parting with the definitive low-profile tooling setup: the genuine \u003cspan style=\"display: inline;\"\u003eSwann-Morton No.4 Stainless Steel Handle\u003c\/span\u003e combined with professional \u003cspan style=\"display: inline;\"\u003eNo.25 Non-Sterile Carbon Steel Blades\u003c\/span\u003e. Purpose-built for tasks requiring intense downward pressure, rigid structural leverage, and long straight cuts, this is the gold standard across craft workshops, design studios, textile labs, and architectural model-making benches.\u003c\/p\u003e\n\u003cp\u003eMade in Sheffield, England by Swann-Morton, this kit pairs a lifetime-reusable handle with an aggressive, straight-edged blade geometry. While thin utility knives twist under pressure or block your work view, this heavy-angled chassis system gives you total structural stability and a perfectly clear line of sight — allowing you to execute deep plunge cuts without bowing or slipping.\u003c\/p\u003e\n\u003ch2\u003eKey Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eEngineered for Heavy Scoring —\u003c\/b\u003e The straight, angular cutting edge distributes downward force evenly for deep, uniform cuts\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003ePerfect Straight Lines —\u003c\/b\u003e The flat, uncurved edge acts like a chisel guide, making it incredibly easy to track along steel rulers and straightedges\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eGenuine Swann-Morton Handle —\u003c\/b\u003e Flat and perfectly balanced; sits comfortably in your hand and will not roll off your workspace table\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eSharp Carbon Steel —\u003c\/b\u003e Holds a razor-sharp edge significantly longer than standard stainless steel when driving through dense, dry materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eZero-Flex Lockup —\u003c\/b\u003e The blade slides and snaps securely onto the handle bayonet, completely eliminating tip vibration or dangerous sideways movement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eChoose Your Pack Size\u003c\/h2\u003e\n\u003cp\u003eEvery kit contains 1 × Genuine Swann-Morton No.4 Handle alongside your chosen blade count.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eStarter Pack — 5 Blades:\u003c\/b\u003e Excellent for technical students, hobbyists, or trial testing tough materials on a new workbench\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eStandard Pack — 10 Blades:\u003c\/b\u003e Designed for boutique artisan studios, independent leatherworkers, and steady daily production tasks\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eWorkshop Pack — 30 Blades:\u003c\/b\u003e Tailored for active design laboratories, collaborative craft spaces, and busy vocational training rooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eStudio Pack — 50 Blades:\u003c\/b\u003e High-volume value tier for industrial design facilities, prototyping bays, and technical trade classrooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eBulk Pack — 100 Blades:\u003c\/b\u003e The ultimate cost-efficient tier for high-throughput commercial workshops, manufacturing operations, and wholesale supply\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eHandle\u003c\/td\u003e\n\u003ctd\u003eAuthentic Swann-Morton No.3, medical-grade stainless steel, flat non-roll profile, fully reusable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlades\u003c\/td\u003e\n\u003ctd\u003eNo.25 straight carbon steel, non-sterile, individually foil-wrapped\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment Type\u003c\/td\u003e\n\u003ctd\u003eStandard No.4 “small fitment” slide-on slot chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlade Compatibility\u003c\/td\u003e\n\u003ctd\u003eVarious Swann Morton Blades\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSterilisation\u003c\/td\u003e\n\u003ctd\u003eHandle compatible with autoclave and chemical disinfectant protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSheffield, England\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy the No.25 Blade?\u003c\/h2\u003e\n\u003cp\u003eWhen curved detailing blades are too delicate or slip out of line, the heavy straight architecture of the No.25 blade provides the necessary power and directional control.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eMaximum Downward Leverage —\u003c\/b\u003e The completely straight, angled edge transfers your hand pressure directly into the tip for effortless slicing through tough materials\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eFlush Paring Control —\u003c\/b\u003e The flat edge allows you to place the blade flush against a surface to shave or pare away protruding structural tabs cleanly\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eAggressive Plunge Cutting —\u003c\/b\u003e The sharp, pointed tip allows you to punch directly down into cardboard, plastic sheets, or heavy textiles to start internal cuts perfectly\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003ch3\u003eHobbies, Crafts \u0026amp; Heavy Prototyping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eIndustrial Design \u0026amp; Prototyping —\u003c\/b\u003e Scoring dense foam boards, trimming heavy plastics, and moulding structural mockups\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eLeathercraft \u0026amp; Textiles —\u003c\/b\u003e Cutting straight strips of heavy leather, parting thick canvas, and deburring stiff polymer edges\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eWoodwork \u0026amp; Model Making —\u003c\/b\u003e Executing deep veneer cuts, scoring thick balsa wood boards, and making heavy architectural scale models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLaboratory \u0026amp; Technical Production\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eMaterial Testing Labs —\u003c\/b\u003e Trimming rubber samples, slicing silicone moulds, and sectioning industrial polymers\u003c\/li\u003e\n\u003cli\u003e\n\u003cb style=\"display: inline; font-weight: bold;\"\u003eSterilisation —\u003c\/b\u003e The handle can be washed and sanitised in standard commercial autoclaves. Blades arrive non-sterile and must be sterilised before any clinical or patient applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eHow does the No.25 blade differ from a No.15 blade?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eThe No.15 is a tiny blade with a curved belly made for micro-cuts and tight circles. The No.25 is a larger, straight-edged blade with a sharp angle, engineered specifically for heavy straight slicing, deep scoring, and direct downward pressure through dense materials.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eDo Swann-Morton blades fit X-Acto handles?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo. Swann-Morton blades require a flat, slide-on slot-and-groove fitment. They are entirely incompatible with round, collet-tightened hobby knife handles such as X-Acto.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eCan the handle be safely sterilised?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. The genuine Swann-Morton No.3 handle is forged from surgical stainless steel and is fully compatible with professional high-pressure steam autoclaves and industrial sanitisation solutions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eAre these blades sterile when unboxed?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eNo. These blades are non-sterile and individually sealed in protective foil packets. If your application involves clinical or surgical training, they must be sterilised beforehand.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eWhen should I replace a carbon steel blade?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eReplace the blade as soon as you feel it pulling or dragging across your material. Working with a dull blade requires excess physical force, which increases the risk of slipping and injury.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003e\u003cstrong\u003eAre these genuine Swann-Morton products?\u003c\/strong\u003e\u003c\/summary\u003e\n\u003cp\u003eYes. We supply 100% genuine, authentic tools manufactured directly by Swann-Morton at their historic facility in Sheffield, England. Not replicas or third-party copies.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdiv class=\"note-soft\"\u003e⚠️ Scalpel blades are extraordinarily sharp. Always use a dedicated pair of forceps or a Swann-Morton Blade Remover to attach or detach blades — never use bare fingers. Used blades must be disposed of safely in a puncture-proof sharps bin in accordance with local regulations. Keep out of reach of children.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Beauty Mercado","offers":[{"title":"5 Blades","offer_id":54187752980822,"sku":"SW3H25-5 Blades","price":10.0,"currency_code":"GBP","in_stock":false},{"title":"10 Blades","offer_id":54187753013590,"sku":"SW3H25-10 Blades","price":13.0,"currency_code":"GBP","in_stock":false},{"title":"30 Blades","offer_id":54187753046358,"sku":"SW3H25-30 Blades","price":16.0,"currency_code":"GBP","in_stock":false},{"title":"50 Blades","offer_id":54187753079126,"sku":"SW3H25-50 Blades","price":19.0,"currency_code":"GBP","in_stock":false},{"title":"100 Blades","offer_id":54187753111894,"sku":"SW3H25-100 Blades","price":26.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/4781\/4998\/files\/Handle-25.jpg?v=1782227479","url":"https:\/\/www.beautymercado.com\/products\/swann-morton-no-4-handle-no-25-heavy-duty-blades-kit","provider":"Beauty Mercado","version":"1.0","type":"link"}