{"product_id":"304-stainless-steel-spiked-four-finger-knuckle-hollow","title":"304 Stainless Steel Spiked Four Finger Knuckle - Hollow Lightweight CNC 13mm","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eSpiked Hollow Design Stainless Steel Knuckle\u003c\/h3\u003e\n\u003cp\u003eThe 304 Stainless Steel Spiked Four Finger Knuckle - Hollow Lightweight represents advanced EDC engineering through innovative hollow construction. Featuring prominent defensive spikes and precision-machined hollow cavities, this one-piece CNC-carved design delivers aggressive tactical capability at reduced 400g weight. The 13mm thickness and hand-finished edges create a premium spiked knuckle that's lighter than solid alternatives while maintaining structural integrity.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolid 304 Stainless Steel:\u003c\/strong\u003e One-piece CNC machined construction - not cast - for superior strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Spike Design:\u003c\/strong\u003e Prominent pointed projections for enhanced defensive capability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHollow Lightweight Construction:\u003c\/strong\u003e Precision-machined cavities reduce weight while maintaining strength\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Weight Reduction:\u003c\/strong\u003e Only 400g vs. 500g+ for equivalent solid designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e13mm Thickness:\u003c\/strong\u003e Substantial profile provides excellent structural integrity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand-Finished Edges:\u003c\/strong\u003e All edges smoothed for comfortable, safe grip feel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Piece CNC Machined:\u003c\/strong\u003e Carved from solid billet - no welds, no weak points\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 304 Stainless Steel (18\/8 Cr-Ni)\u003c\/li\u003e\n\u003cli\u003eDimensions: 119mm × 74mm × 13mm (4.69\" × 2.91\" × 0.51\")\u003c\/li\u003e\n\u003cli\u003eThickness: 13mm\u003c\/li\u003e\n\u003cli\u003eWeight: 400g (14.1 oz) - hollow construction\u003c\/li\u003e\n\u003cli\u003eFinish: Polished stainless steel\u003c\/li\u003e\n\u003cli\u003eManufacturing: One-piece CNC machined with hollow cavities\u003c\/li\u003e\n\u003cli\u003eConfiguration: Four finger, spiked tactical design\u003c\/li\u003e\n\u003cli\u003eFeatures: Defensive spikes, weight-reduced hollow construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpiked Tactical Design\u003c\/h3\u003e\n\u003cp\u003eThe prominent spikes extend from the knuckle body to provide enhanced defensive capabilities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConcentrated Impact Force:\u003c\/strong\u003e Pointed spikes focus force into smaller contact area for maximum effectiveness\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePsychological Deterrent:\u003c\/strong\u003e Aggressive appearance provides strong visual deterrent effect\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Angle Defense:\u003c\/strong\u003e Spikes effective from various striking angles and positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtended Reach:\u003c\/strong\u003e Projections increase effective striking distance beyond standard knuckles\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDefensive Advantage:\u003c\/strong\u003e Spikes create standoff distance in confrontational situations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHollow Construction Engineering\u003c\/h3\u003e\n\u003cp\u003eThe innovative hollow design represents advanced CNC machining capabilities:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight Reduction:\u003c\/strong\u003e Precision-machined cavities remove material from non-critical areas, reducing weight by 20-25%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintained Strength:\u003c\/strong\u003e Hollow sections strategically placed to preserve structural integrity where it matters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Balance:\u003c\/strong\u003e Weight distribution optimized for comfortable grip and effective use\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Manufacturing:\u003c\/strong\u003e Requires sophisticated 5-axis CNC machining - not achievable through casting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Engineering:\u003c\/strong\u003e Demonstrates high-level design and manufacturing expertise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eOne-Piece CNC Machined Quality\u003c\/h3\u003e\n\u003cp\u003eCarved from a single solid billet of 304 stainless steel, this knuckle features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eContinuous grain structure throughout - no weak points\u003c\/li\u003e\n\u003cli\u003ePerfect symmetry and dimensional accuracy\u003c\/li\u003e\n\u003cli\u003eNo casting defects, voids, or porosity\u003c\/li\u003e\n\u003cli\u003eSuperior surface finish compared to cast alternatives\u003c\/li\u003e\n\u003cli\u003eEnhanced durability - won't crack or fail under stress\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLightweight Carry Advantage\u003c\/h3\u003e\n\u003cp\u003eAt 400g, this spiked knuckle weighs significantly less than solid equivalents (typically 500-550g) while maintaining full functionality:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduced carry fatigue during extended use\u003c\/li\u003e\n\u003cli\u003eMore practical for everyday pocket or bag carry\u003c\/li\u003e\n\u003cli\u003eEasier to handle and maneuver quickly\u003c\/li\u003e\n\u003cli\u003eLess bulk without sacrificing capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e13mm Thickness Profile\u003c\/h3\u003e\n\u003cp\u003eThe 13mm thickness provides optimal balance:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSubstantial enough for structural strength and palm support\u003c\/li\u003e\n\u003cli\u003eSlim enough for comfortable pocket carry\u003c\/li\u003e\n\u003cli\u003eIdeal profile for hollow construction engineering\u003c\/li\u003e\n\u003cli\u003eClassic proportions with modern weight reduction\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLegal Considerations\u003c\/h3\u003e\n\u003cp\u003eSpiked knuckles may be subject to additional legal restrictions beyond standard knuckles in many jurisdictions. The prominent spikes can be classified differently than smooth knuckle designs. Always verify local, state, and federal laws before purchase.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1× 304 Stainless Steel Spiked Four Finger Knuckle (hollow lightweight design, CNC machined)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e⚠️ Legal Notice:\u003c\/strong\u003e Spiked knuckles are prohibited or restricted in many jurisdictions and may carry enhanced penalties compared to standard knuckles. 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":48104890335447,"sku":"carrytoolkit211","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0782\/5781\/5767\/files\/4FingerKnuckle_1.jpg?v=1765595372","url":"https:\/\/carrytoolkit.com\/products\/304-stainless-steel-spiked-four-finger-knuckle-hollow","provider":"Carry ToolKit","version":"1.0","type":"link"}