{"product_id":"4-in-1-folding-portable-knife-sharpener-diamond-ceramic-carbide-stones-for-outdoor-kitchen-knives","title":"4-in-1 Folding Portable Knife Sharpener | Diamond, Ceramic \u0026 Carbide Stones for Outdoor \u0026 Kitchen Knives","description":"Keep every blade razor-sharp, whether you're in the wild or the kitchen, with this \u003cb\u003e4-in-1 Portable Folding Knife Sharpener\u003c\/b\u003e. Designed to be the ultimate companion for \u003cb\u003eoutdoor enthusiasts\u003c\/b\u003e, this compact tool easily restores and hones a wide variety of edges.\r\n\r\nThe sharpener features three specialized abrasive materials: a \u003cb\u003etungsten steel (carbide) blade\u003c\/b\u003e for fast repair of damaged edges, an \u003cb\u003eelectroplating diamond rod\u003c\/b\u003e for high-end knives and serrated blades, and a specially shaped \u003cb\u003eceramic slot\u003c\/b\u003e for finishing edges and sharpening serrations. The innovative \u003cb\u003efoldable design\u003c\/b\u003e makes it incredibly compact and lightweight, perfect for carrying in a pocket or attaching to your gear using the \u003cb\u003elanyard hole\u003c\/b\u003e. Made from durable, high-quality materials, this sharpener is a reliable, unbreakable tool for hunting, fishing, outdoor exploration, and everyday kitchen use.\r\n\r\n\u003cimg class=\"aligncenter wp-image-127200\" src=\"https:\/\/ninjanew.com\/wp-content\/uploads\/2025\/10\/HH-2-3.webp\" alt=\"\" width=\"600\" height=\"600\"\u003e\r\n\u003ch3\u003eKey Features\u003c\/h3\u003e\r\n\u003cul\u003e\r\n \t\u003cli\u003e\n\u003cb\u003e4-in-1 Versatile Sharpening:\u003c\/b\u003e\u003cspan class=\"citation-162\"\u003e Combines three abrasive materials—\u003c\/span\u003e\u003cb\u003e\u003cspan class=\"citation-162\"\u003eTungsten Steel (Carbide), Tapered Diamond Rod, and Ceramic Slot\u003c\/span\u003e\u003c\/b\u003e\u003cspan class=\"citation-162 citation-end-162\"\u003e—to handle everything from repairing damaged edges to honing fine and serrated blades.\u003c\/span\u003e\n\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eTungsten Steel (Carbide) Blade:\u003c\/b\u003e\u003cspan class=\"citation-161\"\u003e Features a tough, high-hardness tungsten steel section for \u003c\/span\u003e\u003cspan class=\"citation-161 citation-end-161\"\u003e\u003cspan style=\"box-sizing: border-box; margin: 0px; padding: 0px;\"\u003e\u003cstrong\u003equickly renovating severely damaged or dull blades\u003c\/strong\u003e, restoring the edge in a matter of seconds\u003c\/span\u003e.\u003c\/span\u003e\n\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eTapered Diamond Rod:\u003c\/b\u003e The electroplated \u003cb\u003ediamond rod\u003c\/b\u003e is ideal for tackling specialized tasks like sharpening \u003cb\u003eserrated knives\u003c\/b\u003e and applying a precise edge to high-end outdoor knives.\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eCompact \u0026amp; Folding Design:\u003c\/b\u003e The ingenious \u003cb\u003efoldable design\u003c\/b\u003e makes it extremely compact (\u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e80\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e×\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e20\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003emm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e) and lightweight, perfect for portability without compromising functionality.\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003ePortable for Outdoor Use:\u003c\/b\u003e Specifically designed for \u003cb\u003eoutdoor enthusiasts\u003c\/b\u003e, featuring a \u003cb\u003elanyard hole\u003c\/b\u003e for easy carrying during hunting, fishing, camping, and exploration.\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eDurable Construction:\u003c\/b\u003e Built with \u003cb\u003ehigh-quality ABS\u003c\/b\u003e and durable internal materials, making it unbreakable and reliable in any environment.\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cimg class=\"aligncenter wp-image-127199\" src=\"https:\/\/ninjanew.com\/wp-content\/uploads\/2025\/10\/HH-1-4.webp\" alt=\"\" width=\"600\" height=\"600\"\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eProduct Type:\u003c\/b\u003e Folding Knife Sharpener\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eFunctionality:\u003c\/b\u003e 4-in-1 Multi-stage Sharpening\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eSize (Folded):\u003c\/b\u003e \u003cspan class=\"math-inline\"\u003e\u003cspan class=\"katex\"\u003e\u003cspan class=\"katex-html\" aria-hidden=\"true\"\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e80\u003c\/span\u003e\u003cspan class=\"mbin\"\u003e×\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"base\"\u003e\u003cspan class=\"mord\"\u003e20\u003c\/span\u003e\u003cspan class=\"mord text\"\u003e\u003cspan class=\"mord\"\u003emm\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eAbrasive Materials:\u003c\/b\u003e Tungsten Steel (Carbide), Ceramic Blade, Electroplating Tapered Diamond Rod\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eBody Material:\u003c\/b\u003e High-quality ABS (Durable, Unbreakable, Scalable)\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eDesign Features:\u003c\/b\u003e Foldable, Lanyard Hole, Compact\u003c\/li\u003e\r\n \t\u003cli\u003e\n\u003cb\u003eIdeal Use:\u003c\/b\u003e\u003cspan class=\"citation-160 citation-end-160\"\u003e General sharpening jobs, hunting, fishing, outdoor exploration, kitchen knives, serrated blades, and scissors.\u003c\/span\u003e\n\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003cimg class=\"aligncenter wp-image-127198\" src=\"https:\/\/ninjanew.com\/wp-content\/uploads\/2025\/10\/HH-5-2.webp\" alt=\"\" width=\"600\" height=\"600\"\u003e\r\n\r\nStop struggling with dull knives. This \u003cb\u003e4-in-1 Folding Sharpener\u003c\/b\u003e is the only multi-tool you need to maintain razor-sharp performance for every blade, everywhere. It’s tough, compact, and delivers a professional edge in minutes. \u003cb\u003eDon't leave sharpness to chance—make this essential tool a permanent part of your gear today.\u003c\/b\u003e\r\n\r\n\u003cstrong\u003ePackage Include\u003c\/strong\u003e\r\n\r\n1 x Portable Sharpener","brand":"Ninjanew","offers":[{"title":"Default Title","offer_id":54425262260515,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0959\/1822\/7747\/files\/4-in-1-folding-portable-knife-sharpener-diamond-ceramic-carbide-380.webp?v=1773328135","url":"https:\/\/ninjanew.com\/products\/4-in-1-folding-portable-knife-sharpener-diamond-ceramic-carbide-stones-for-outdoor-kitchen-knives","provider":"Ninjanew","version":"1.0","type":"link"}