{"product_id":"benchmade-auto-immunity™-flat-dark-earth-aluminum-wharncliffe","title":"Benchmade 2900BK-1 Auto Immunity Folding Knife - CPM-M4 Black Blade, Automatic Opening, Premium EDC Pocket Knife with FDE Aluminum Handle","description":"\u003ch1\u003eBenchmade 2900BK-1 Auto Immunity Folding Knife - CPM-M4 Black Blade, Automatic Opening, Premium EDC Pocket Knife with FDE Aluminum Handle\u003c\/h1\u003e\n\u003cp\u003eExperience cutting-edge performance with the Benchmade 2900BK-1 Auto Immunity, a compact automatic folder that delivers instant deployment and unwavering reliability. The straight-edged blade excels in precise slicing and piercing, making it a must-have for professionals and enthusiasts. Its 2.49-inch (6.32 cm) Wharncliffe blade, crafted from premium CPM-M4 super tool steel (62-64 HRC) with a black Cerakote finish, ensures superior edge retention, toughness, and corrosion resistance—perfect for tactical, utility, and everyday demands. \u003c\/p\u003e\n\u003cp\u003eThis \u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eblade length\u003c\/strong\u003e\u003c\/span\u003e is intentionally designed to comply with federal regulations under 18 U.S.C. § 930, which excludes pocket knives with blades under 2.5 inches from being classified as dangerous weapons in federal facilities, allowing legal carry in such environments where longer blades are prohibited. Developed in response to requests from federal employees facing strict restrictions, it offers an optimal balance of compactness for easy carry and sufficient reach for precise tasks, with a cutting edge of approximately 2.28 inches for enhanced usability.  Note that while the federal focus is on blade length, automatic knives may face additional state-level restrictions, and users should verify local policies.\u003c\/p\u003e\n\u003cp\u003ePowered by Benchmade's innovative AXIS slide mechanism for swift out-the-side automatic opening, it offers secure locking and ambidextrous operation. The ergonomic Flat Dark Earth (FDE) anodized 6061-T6 aluminum handle provides a lightweight, textured grip, measuring 3.46 inches closed and 5.94 inches open, at just 2.29 ounces. A reversible stainless steel pocket clip and lanyard hole enable versatile, discreet carry.\u003c\/p\u003e\n\u003cp\u003eBuilding on Benchmade's legacy of American-made excellence, this USA-crafted knife includes lifetime sharpening service. Ideal for a high-performance auto knife with CPM-M4 steel—grab yours and unleash superior capability today.\u003c\/p\u003e\n\u003ch2\u003eKey Features of the Benchmade 2900BK-1 Auto Immunity Folding Knife\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Blade\u003c\/strong\u003e: 2.49-inch Wharncliffe CPM-M4 steel with black Cerakote for exceptional durability and sharpness.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Deployment\u003c\/strong\u003e: AXIS slide for fast, ambidextrous out-the-side opening and secure lockup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eErgonomic Handle\u003c\/strong\u003e: Lightweight FDE anodized aluminum with texture for superior control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Carry\u003c\/strong\u003e: Reversible pocket clip and lanyard hole for customizable options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSA Craftsmanship\u003c\/strong\u003e: Made in America with lifetime sharpening guarantee.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eDetailed Specifications for the Benchmade 2900BK-1 Auto Immunity EDC Knife\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\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\u003e\u003cstrong\u003eBlade Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.49 inches (6.32 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCutting Edge\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 2.28 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCPM-M4 Super Tool Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Hardness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e62-64 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWharncliffe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Finish\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack Cerakote\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlade Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.090 inches (2.29 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOverall Length (Open)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.94 inches (15.09 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eClosed Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3.46 inches (8.79 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandle Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6061-T6 Anodized Aluminum (Flat Dark Earth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHandle Thickness\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.50 inches (12.70 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.29 ounces (64.92 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLock Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAXIS Lock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOpening Mechanism\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic (Out-the-Side Slide)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePocket Clip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eReversible, Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAdditional Features\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLanyard Hole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Benchmade","offers":[{"title":"Default Title","offer_id":42418291802148,"sku":"T1171S","price":325.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0568\/3321\/2452\/files\/benchmade-2900bk-1-auto-immunity-folding-knife-cpm-m4-black-blade-automatic-opening-premium-edc-pocket-knife-with-fde-aluminum-handle-2026478.webp?v=1761789222","url":"https:\/\/tinberkknives.shop\/products\/benchmade-auto-immunity%e2%84%a2-flat-dark-earth-aluminum-wharncliffe","provider":"tinberkknives.shop","version":"1.0","type":"link"}