{"product_id":"swann-morton-no-4-professional-handle-no-21-blades-kit","title":"Professional-Grade Reusable No.4 Handle \u0026 Swann-Morton No.21 Blades Kit","description":"\u003cp\u003e\u003cspan class=\"\"\u003eExecute smooth,\u003c\/span\u003e\u003cspan class=\"\"\u003e long sweeping incisions,\u003c\/span\u003e\u003cspan class=\"\"\u003e clean tissue separations,\u003c\/span\u003e\u003cspan class=\"\"\u003e and large-scale studio cuts with this premium tool kit from Beauty Mercado.\u003c\/span\u003e\u003cspan class=\"\"\u003e This set comes with a heavy-duty reusable \u003c\/span\u003escalpel handle No.4\u003cspan class=\"\"\u003e and ultra-sharp,\u003c\/span\u003e\u003cspan class=\"\"\u003e genuine \u003c\/span\u003eSwann-Morton No.21 Non-Sterile Carbon Steel Blades\u003cspan class=\"\"\u003e.\u003c\/span\u003e\u003cspan class=\"\"\u003e It is the absolute standard for major surgical and veterinary training,\u003c\/span\u003e\u003cspan class=\"\"\u003e laboratory dissection,\u003c\/span\u003e\u003cspan class=\"\"\u003e industrial leatherwork,\u003c\/span\u003e\u003cspan class=\"\"\u003e and heavy studio crafting.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe No.\u003c\/span\u003e\u003cspan class=\"\"\u003e21 profile is a large,\u003c\/span\u003e\u003cspan class=\"\"\u003e robust blade featuring an elongated,\u003c\/span\u003e\u003cspan class=\"\"\u003e curved cutting edge (belly) balanced by a flat,\u003c\/span\u003e\u003cspan class=\"\"\u003e unsharpened back edge.\u003c\/span\u003e\u003cspan class=\"\"\u003e Made in Sheffield,\u003c\/span\u003e\u003cspan class=\"\"\u003e England,\u003c\/span\u003e\u003cspan class=\"\"\u003e by Swann-Morton,\u003c\/span\u003e\u003cspan class=\"\"\u003e it functions as an upgraded,\u003c\/span\u003e\u003cspan class=\"\"\u003e heavy-duty version of the classic No.\u003c\/span\u003e\u003cspan class=\"\"\u003e10 profile.\u003c\/span\u003e\u003cspan class=\"\"\u003e This design is engineered to handle substantial surface contact and distribute slicing pressure evenly without flexing under heavy hand torque.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003e\u003cb\u003eKey Features\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eEnlarged Curved Belly:\u003c\/b\u003e\u003cspan class=\"\"\u003e The broad,\u003c\/span\u003e\u003cspan class=\"\"\u003e curved edge allows for fluid,\u003c\/span\u003e\u003cspan class=\"\"\u003e rolling cuts and wide surface slicing,\u003c\/span\u003e\u003cspan class=\"\"\u003e preventing the dragging or snagging common with pointed blades.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eFlat Unsharpened Spine:\u003c\/b\u003e\u003cspan class=\"\"\u003e The straight,\u003c\/span\u003e\u003cspan class=\"\"\u003e sturdy back edge allows you to safely apply index-finger stabilization directly onto the blade body for heavy,\u003c\/span\u003e\u003cspan class=\"\"\u003e controlled downward pressure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eHeavy-Duty No.4 Fitment Handle:\u003c\/b\u003e\u003cspan class=\"\"\u003e Forged from premium stainless steel,\u003c\/span\u003e\u003cspan class=\"\"\u003e the No.\u003c\/span\u003e\u003cspan class=\"\"\u003e4 handle is wider and thicker than standard handles.\u003c\/span\u003e\u003cspan class=\"\"\u003e It offers a rock-solid ergonomic grip for demanding studio work.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eHigh-Performance Carbon Steel:\u003c\/b\u003e\u003cspan class=\"\"\u003e This premium steel choice holds an incredibly sharp,\u003c\/span\u003e\u003cspan class=\"\"\u003e keener edge much longer than standard stainless variations,\u003c\/span\u003e\u003cspan class=\"\"\u003e slicing cleanly through dense fabrics,\u003c\/span\u003e\u003cspan class=\"\"\u003e hide layers,\u003c\/span\u003e\u003cspan class=\"\"\u003e and polymers.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWiggle-Free Security:\u003c\/b\u003e\u003cspan class=\"\"\u003e The large slot system on the No.\u003c\/span\u003e\u003cspan class=\"\"\u003e21 blade slides and locks perfectly flush onto the parallel tracks of the No.\u003c\/span\u003e\u003cspan class=\"\"\u003e4 handle.\u003c\/span\u003e\u003cspan class=\"\"\u003e This eliminates tip vibration and blade wobble entirely.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eUniversal Large Base:\u003c\/b\u003e\u003cspan class=\"\"\u003e The heavy-duty handle doubles as a permanent shop tool that seamlessly accepts all large fitment blades,\u003c\/span\u003e\u003cspan class=\"\"\u003e including No.\u003c\/span\u003e\u003cspan class=\"\"\u003e20,\u003c\/span\u003e\u003cspan class=\"\"\u003e 22,\u003c\/span\u003e\u003cspan class=\"\"\u003e 23,\u003c\/span\u003e\u003cspan class=\"\"\u003e 24,\u003c\/span\u003e\u003cspan class=\"\"\u003e and 25.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003e\u003cb\u003eChoose Your Pack Size\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eEvery kit includes \u003c\/span\u003e\u003cb class=\"\"\u003e1 × Reusable Scalpel Handle No.4\u003c\/b\u003e\u003cspan class=\"\"\u003e and your choice of blade amounts:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eStarter Pack (5 Blades):\u003c\/b\u003e\u003cspan class=\"\"\u003e Perfect for students,\u003c\/span\u003e\u003cspan class=\"\"\u003e medical trainees,\u003c\/span\u003e\u003cspan class=\"\"\u003e or checking out a new hobby.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eStandard Pack (10 Blades):\u003c\/b\u003e\u003cspan class=\"\"\u003e Great for small studios,\u003c\/span\u003e\u003cspan class=\"\"\u003e biology labs,\u003c\/span\u003e\u003cspan class=\"\"\u003e and steady workshop use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWorkshop Pack (30 Blades):\u003c\/b\u003e\u003cspan class=\"\"\u003e Best for busy model shops,\u003c\/span\u003e\u003cspan class=\"\"\u003e bookbinderies,\u003c\/span\u003e\u003cspan class=\"\"\u003e and taxidermy studios.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eStudio Pack (50 Blades):\u003c\/b\u003e\u003cspan class=\"\"\u003e Great value for design schools,\u003c\/span\u003e\u003cspan class=\"\"\u003e clinical training facilities,\u003c\/span\u003e\u003cspan class=\"\"\u003e and trade spaces.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eBulk Pack (100 Blades):\u003c\/b\u003e\u003cspan class=\"\"\u003e The cheapest option per blade for large commercial or institutional use.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003e\u003cb\u003eProduct Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDetail\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eWhat You Get\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eHandle Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReusable Scalpel Handle No.4 (Stainless Steel)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Type\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNo.21 (Large Curved Belly, Carbon Steel, Non-Sterile)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eBlade Fitment\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard No.4 large slot system\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cb\u003eWhere it is Made\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSheffield, England\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 class=\"\"\u003e\u003cb\u003eCommon Uses\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eMedical, Veterinary \u0026amp; Lab Use:\u003c\/b\u003e\u003cspan class=\"\"\u003e Ideal for major skin incisions,\u003c\/span\u003e\u003cspan class=\"\"\u003e deep tissue dissection practice,\u003c\/span\u003e\u003cspan class=\"\"\u003e veterinary clinical training,\u003c\/span\u003e\u003cspan class=\"\"\u003e pathology preparation,\u003c\/span\u003e\u003cspan class=\"\"\u003e and autopsy simulations.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eHeavy Crafts \u0026amp; Model Making:\u003c\/b\u003e\u003cspan class=\"\"\u003e Effortlessly slices through thick leather hides,\u003c\/span\u003e\u003cspan class=\"\"\u003e upholstery,\u003c\/span\u003e\u003cspan class=\"\"\u003e heavy cardstock,\u003c\/span\u003e\u003cspan class=\"\"\u003e rubber casting molds,\u003c\/span\u003e\u003cspan class=\"\"\u003e and soft wood blocks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eProfessional Studio Trimming:\u003c\/b\u003e\u003cspan class=\"\"\u003e Perfectly suited for stretching large canvases,\u003c\/span\u003e\u003cspan class=\"\"\u003e bookbinding,\u003c\/span\u003e\u003cspan class=\"\"\u003e carpet trimming,\u003c\/span\u003e\u003cspan class=\"\"\u003e and heavy textile fabrication.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb class=\"\"\u003ePlease Note:\u003c\/b\u003e\u003cspan class=\"\"\u003e The handle can be safely sanitized in a chemical bath or high-temperature autoclave.\u003c\/span\u003e\u003cspan class=\"\"\u003e The blades arrive non-sterile inside protective foil packaging.\u003c\/span\u003e\u003cspan class=\"\"\u003e They are excellent for practice and training,\u003c\/span\u003e\u003cspan class=\"\"\u003e but \u003c\/span\u003e\u003cb class=\"\"\u003emust be fully autoclaved and sterilized prior to any real clinical or medical use on patients.\u003c\/b\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"\"\u003e\u003cb\u003eFrequently Asked Questions\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWhy won’t my No.21 blades fit onto a standard No.3 scalpel handle?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eSwann-Morton uses two completely distinct sizing tracks for safety and engineering stability.\u003c\/span\u003e\u003cspan class=\"\"\u003e The No.\u003c\/span\u003e\u003cspan class=\"\"\u003e21 blade belongs to the \"Large Fitment\" family and features a wide internal keyhole cutout made exclusively to fit the thicker No.\u003c\/span\u003e\u003cspan class=\"\"\u003e4 handle.\u003c\/span\u003e\u003cspan class=\"\"\u003e Detailing profiles (like No.\u003c\/span\u003e\u003cspan class=\"\"\u003e11 or No.\u003c\/span\u003e\u003cspan class=\"\"\u003e15) use a narrow slot built strictly for the slimmer No.\u003c\/span\u003e\u003cspan class=\"\"\u003e3 handle.\u003c\/span\u003e\u003cspan class=\"\"\u003e Never try to force a mismatched blade.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWhat makes the curved belly of the No.21 better for long cuts than a pointed blade?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003ePointed blades (like a No.\u003c\/span\u003e\u003cspan class=\"\"\u003e11) focus all your downward force on a tiny tip,\u003c\/span\u003e\u003cspan class=\"\"\u003e which is ideal for stabbing or tight scoring.\u003c\/span\u003e\u003cspan class=\"\"\u003e The No.\u003c\/span\u003e\u003cspan class=\"\"\u003e21 distributes pressure evenly across its long,\u003c\/span\u003e\u003cspan class=\"\"\u003e rounded curved face.\u003c\/span\u003e\u003cspan class=\"\"\u003e This lets you use a fluid,\u003c\/span\u003e\u003cspan class=\"\"\u003e rocking motion that slices smoothly through thick leather,\u003c\/span\u003e\u003cspan class=\"\"\u003e fabrics,\u003c\/span\u003e\u003cspan class=\"\"\u003e or deep tissue layers without catching or tearing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eWhy are these carbon steel blades wrapped in a slightly waxy or oily foil packet?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eTo keep non-sterile carbon steel pristine during storage,\u003c\/span\u003e\u003cspan class=\"\"\u003e Swann-Morton treats the protective inner lining of each blade packet with an advanced Vapour Phase Inhibitor (VPI).\u003c\/span\u003e\u003cspan class=\"\"\u003e This creates an invisible anti-rust shield that stops atmospheric humidity from causing microscopic rust spots.\u003c\/span\u003e\u003cspan class=\"\"\u003e This layer can sometimes leave a very faint,\u003c\/span\u003e\u003cspan class=\"\"\u003e harmless waxy feel on the metal.\u003c\/span\u003e\u003cspan class=\"\"\u003e It does not affect your grip or sharpness.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb class=\"\"\u003eCan I use the broad curve of this No.21 blade for facial dermaplaning?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eNo.\u003c\/span\u003e\u003cspan class=\"\"\u003e We strongly advise against using any carbon steel blades for cosmetic skincare or dermaplaning.\u003c\/span\u003e\u003cspan class=\"\"\u003e Carbon steel reacts instantly to ambient moisture and facial oils,\u003c\/span\u003e\u003cspan class=\"\"\u003e leaving it highly susceptible to microscopic oxidization.\u003c\/span\u003e\u003cspan class=\"\"\u003e Furthermore,\u003c\/span\u003e\u003cspan class=\"\"\u003e the No.\u003c\/span\u003e\u003cspan class=\"\"\u003e21 is a large surgical-grade profile meant for heavy cutting and training.\u003c\/span\u003e\u003cspan class=\"\"\u003e For aesthetic treatments on skin,\u003c\/span\u003e\u003cspan class=\"\"\u003e professionals exclusively use \u003c\/span\u003e\u003cb class=\"\"\u003eSwann-Morton Stainless Steel Sterile Blades\u003c\/b\u003e\u003cspan class=\"\"\u003e (such as specialized rounded No.\u003c\/span\u003e\u003cspan class=\"\"\u003e10 or No.\u003c\/span\u003e\u003cspan class=\"\"\u003e14 profiles).\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eHow do I clean sticky adhesive or tape residue off the face of the blade?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWhen cutting vinyl sheets,\u003c\/span\u003e\u003cspan\u003e heavy packaging tapes,\u003c\/span\u003e\u003cspan\u003e or synthetic molds,\u003c\/span\u003e\u003cspan\u003e adhesive residue can build up on the flat face of the blade and cause dragging.\u003c\/span\u003e\u003cspan\u003e Never wipe the cutting edge with a rough cloth or use your fingernail.\u003c\/span\u003e\u003cspan\u003e Instead,\u003c\/span\u003e\u003cspan\u003e remove the blade from the handle safely using pliers,\u003c\/span\u003e\u003cspan\u003e dip it into a splash of Isopropyl Alcohol (rubbing alcohol) for a few seconds,\u003c\/span\u003e\u003cspan\u003e and gently pat it dry with a microfiber cloth.\u003c\/span\u003e\u003cspan\u003e This clears the glue instantly without dulling the edge.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eSafety Warnings\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eBe Careful:\u003c\/b\u003e\u003cspan\u003e These blades are incredibly sharp and carry a larger cutting edge.\u003c\/span\u003e\u003cspan\u003e Never use your bare hands to slide the blade onto the handle track.\u003c\/span\u003e\u003cspan\u003e Always hold the blade safely with pliers or surgical forceps to snap it securely into place.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eSafe Disposal:\u003c\/b\u003e\u003cspan\u003e Throw away used blades into a hard plastic sharps container.\u003c\/span\u003e\u003cspan\u003e Do not throw loose blades into the household or workshop trash.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Beauty Mercado","offers":[{"title":"5 Blades","offer_id":54277803737430,"sku":"SW3H21-5 Blades","price":10.0,"currency_code":"GBP","in_stock":false},{"title":"10 Blades","offer_id":54277803770198,"sku":"SW3H21-10 Blades","price":13.0,"currency_code":"GBP","in_stock":false},{"title":"30 Blades","offer_id":54277803802966,"sku":"SW3H21-30 Blades","price":16.0,"currency_code":"GBP","in_stock":false},{"title":"50 Blades","offer_id":54277803835734,"sku":"SW3H21-50 Blades","price":19.0,"currency_code":"GBP","in_stock":false},{"title":"100 Blades","offer_id":54277803868502,"sku":"SW3H21-100 Blades","price":23.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0872\/4781\/4998\/files\/Handle-21.jpg?v=1782227477","url":"https:\/\/www.beautymercado.com\/products\/swann-morton-no-4-professional-handle-no-21-blades-kit","provider":"Beauty Mercado","version":"1.0","type":"link"}