{"product_id":"440c-stainless-steel-four-finger-knuckle-copper-inlay","title":"440C Stainless Steel Four Finger Knuckle with Copper Inlay - 15mm Heavy Duty EDC","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003ePremium 440C Steel Knuckle with Copper Inlay\u003c\/h3\u003e\n\u003cp\u003eThe 440C Stainless Steel Four Finger Knuckle with Copper Inlay represents the pinnacle of collector-grade EDC craftsmanship. Forged from premium 440C high-carbon stainless steel and adorned with intricate metallic copper sheet inlays, this substantial 15mm thick piece combines superior material science with artisan metalwork. At 480g, it delivers museum-quality aesthetics with serious tactical capability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium 440C Stainless Steel:\u003c\/strong\u003e High-carbon martensitic steel - exceptional hardness (HRC 58-60), superior edge retention, corrosion resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetallic Copper Inlay:\u003c\/strong\u003e Hand-set copper sheet patterns on both sides - unique front and back designs create stunning visual contrast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty 15mm Thickness:\u003c\/strong\u003e Substantial profile provides maximum palm support and structural integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic Four-Finger Design:\u003c\/strong\u003e Traditional full-hand coverage for complete knuckle protection\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOversized Finger Holes:\u003c\/strong\u003e Accommodates larger hands comfortably - \"big fingers can use it\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubstantial 480g Weight:\u003c\/strong\u003e Serious heft for collectors and users who demand maximum impact capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCollector's Grade:\u003c\/strong\u003e Premium materials and artisan inlay work make this a display-worthy piece\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 440C Stainless Steel (high-carbon martensitic)\u003c\/li\u003e\n\u003cli\u003eDimensions: 111mm × 77mm × 15mm (4.37\" × 3.03\" × 0.59\")\u003c\/li\u003e\n\u003cli\u003eThickness: 15mm (heavy-duty)\u003c\/li\u003e\n\u003cli\u003eWeight: 480g (16.9 oz)\u003c\/li\u003e\n\u003cli\u003eInlay: Metallic copper sheets (dual-sided patterns)\u003c\/li\u003e\n\u003cli\u003eHardness: HRC 58-60 (440C steel)\u003c\/li\u003e\n\u003cli\u003eConfiguration: Four finger, classic style\u003c\/li\u003e\n\u003cli\u003eFinish: Polished steel with copper inlay\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSizing Guide\u003c\/h3\u003e\n\u003cp\u003eThe oversized finger holes are specifically designed for larger hands and accommodate most adult users comfortably. This is a \"big finger friendly\" design - ideal for users who find standard knuckle dusters too tight. The substantial 15mm thickness distributes pressure evenly across the palm for comfortable grip despite the 480g weight.\u003c\/p\u003e\n\n\u003ch3\u003e440C Stainless Steel Advantage\u003c\/h3\u003e\n\u003cp\u003e440C is a premium high-carbon stainless steel traditionally used in high-end cutlery and surgical instruments. Compared to standard 304 stainless steel, 440C offers:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Hardness:\u003c\/strong\u003e HRC 58-60 vs. HRC 20-25 for 304 steel - significantly harder and more impact-resistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExceptional Edge Retention:\u003c\/strong\u003e High carbon content maintains sharp edges and crisp details indefinitely\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Durability:\u003c\/strong\u003e Martensitic crystal structure provides superior toughness under stress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance:\u003c\/strong\u003e Stainless properties prevent rust while maintaining hardness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Aesthetic:\u003c\/strong\u003e Takes a brilliant polish and maintains finish better than softer steels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCopper Inlay Artistry\u003c\/h3\u003e\n\u003cp\u003eEach knuckle features hand-set metallic copper sheet inlays with different patterns on front and back surfaces. The copper provides stunning visual contrast against the polished steel - warm reddish-gold tones against cool silver create a distinctive two-tone aesthetic. The inlay work is precision-fitted and secured, ensuring durability while adding artistic flair.\u003c\/p\u003e\n\n\u003ch3\u003eCopper Patina Development\u003c\/h3\u003e\n\u003cp\u003eThe copper inlays will naturally develop a rich patina over time, transitioning from bright copper to deep bronze and eventually verdigris green if exposed to moisture. This aging process adds character and makes each piece increasingly unique - a living finish that tells the story of your ownership.\u003c\/p\u003e\n\n\u003ch3\u003eCollector's Piece\u003c\/h3\u003e\n\u003cp\u003eThe combination of premium 440C steel, artisan copper inlay work, and substantial 480g weight makes this knuckle duster a true collector's item. It's equally at home in a display case or tactical kit - a functional art piece that represents the highest tier of knuckle duster craftsmanship.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× 440C Stainless Steel Four Finger Knuckle with Copper Inlay\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Legal Notice:\u003c\/strong\u003e Knuckle dusters are prohibited in many jurisdictions. Check federal, state, and local laws before purchase. This product is sold as a collectible item only. Buyer assumes all legal responsibility for possession and use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Carry ToolKit","offers":[{"title":"Default Title","offer_id":48104890695895,"sku":"carrytoolkit201","price":106.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/5781\/5767\/files\/KnucklesWeapon_1_7fdcae0a-ca7b-4a24-afcc-6199524c3b85.jpg?v=1765595380","url":"https:\/\/carrytoolkit.com\/products\/440c-stainless-steel-four-finger-knuckle-copper-inlay","provider":"Carry ToolKit","version":"1.0","type":"link"}