{"product_id":"spyderco-manbug®-cpm-spy27®-folding-knife-mpcbl-cobalt-blue-frn-keychain-field-instrument","title":"Spyderco Manbug® CPM SPY27® Folding Knife | MPCBL | Cobalt Blue FRN | Keychain Field Instrument","description":"\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eThe Experience\u003c\/h3\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSpyderco's founder Sal Glesser carries a Ladybug. Then he made it better — and for anyone whose hands outgrew the Ladybug, he made it bigger. The result is the Manbug — a keychain-sized folding knife that fits on a carabiner, rides in a watch pocket, and cuts with an authority that consistently surprises everyone who picks one up for the first time. This particular Manbug raises the standard further. The Cobalt Blue FRN handle is the visual signature of Spyderco's elite SPY27 family — and it means the blade inside is CPM SPY27, Spyderco's proprietary powder metallurgy steel developed exclusively with Crucible Industries. Starting with the proven chemistry of VG-10, CPM SPY27 supercharges it with increased volumes of carbon, molybdenum, and vanadium, adds niobium and nitrogen, and subjects the entire alloy to Crucible's Particle Metallurgy process — producing an exceptionally homogenous microstructure that gets \"sticky sharp,\" holds that edge longer, and resists corrosion at a level standard VG-10 cannot match. All of it in a knife that weighs less than an ounce and fits on a keychain. This is the Manbug for the field professional who wants the best steel available in the smallest possible package.\u003c\/p\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eScientific Engineering\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCPM SPY27 — Spyderco's Proprietary Blade Steel:\u003c\/strong\u003e Developed exclusively with Crucible Industries, CPM SPY27 begins with the cobalt-enriched VG-10 alloy chemistry and enhances it through Crucible's Particle Metallurgy process — atomizing molten steel into fine powder before consolidating it under high pressure to produce an exceptionally uniform alloy distribution throughout the blade. The result is a microstructure free of the segregation that limits conventional steel performance, with significantly improved edge retention, toughness, and corrosion resistance over standard VG-10.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eFull Flat Ground PlainEdge™ Blade:\u003c\/strong\u003e The leaf-shaped blade is full flat ground — a geometry that produces a thin, consistent taper from spine to edge across the blade's full width, maximizing cutting efficiency and reducing material resistance during slicing tasks.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eTrademark Round Hole™ One-Handed Opening:\u003c\/strong\u003e Spyderco's signature round hole allows smooth, reliable one-handed deployment with either thumb or forefinger — accessible even on a knife this compact.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBi-Directional Texturing™ FRN Handle:\u003c\/strong\u003e The Cobalt Blue fiberglass-reinforced nylon handle scales are injection-molded with Spyderco's patented Bi-Directional Texturing — angled ridges that provide a secure non-slip grip from any hand position, including wet or gloved hands in active field conditions.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLockback Mechanism:\u003c\/strong\u003e A stout back lock secures the blade firmly in the open position during use — one of the most time-tested and mechanically reliable locking systems in folding knife design.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eKeychain\/Lanyard Configuration:\u003c\/strong\u003e An integrated keychain hole at the handle end allows the Manbug to ride permanently on a keychain, carabiner, or pack attachment point — always accessible, never left behind.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCobalt Blue — Signature SPY27 Colorway:\u003c\/strong\u003e Across the entire Spyderco lineup, Cobalt Blue handles mark CPM SPY27 steel instruments exclusively — making the color itself a meaningful quality signal that serious knife enthusiasts recognize immediately.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eClipless Design:\u003c\/strong\u003e The Manbug's clipless handle keeps its profile minimal and snag-free — riding flat in a watch pocket, coin pocket, or clipped to a keychain without the bulk or printing of a conventional clip knife.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eBoutique \u0026amp; Conservation Values\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eDesigned by Spyderco's Founder:\u003c\/strong\u003e The Manbug was personally designed by Sal Glesser — Spyderco's founder — as his own improvement on the Ladybug he carried daily. It is not a production exercise. It is a knife the person who built the company chose to carry.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003ePremium Steel, Minimal Package:\u003c\/strong\u003e CPM SPY27 is reserved for Spyderco's most performance-oriented instruments. Finding it in a sub-ounce keychain knife is genuinely unusual — and genuinely compelling for the field professional who refuses to compromise on blade quality regardless of form factor.\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eSpyderco Warranty:\u003c\/strong\u003e Every Manbug CPM SPY27 is backed by Spyderco's manufacturer warranty against defects in materials and workmanship.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 class=\"text-text-100 mt-3 -mb-1 text-[1.125rem] font-bold\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBlade Length:\u003c\/strong\u003e 1.94\" (49.3mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCutting Edge:\u003c\/strong\u003e 1.63\" (41.4mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBlade Thickness:\u003c\/strong\u003e 0.087\" (2.2mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBlade Steel:\u003c\/strong\u003e CPM SPY27 Stainless Steel\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBlade Finish:\u003c\/strong\u003e Satin\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eBlade Grind:\u003c\/strong\u003e Full Flat\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eOverall Length:\u003c\/strong\u003e 4.49\" (114mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eClosed Length:\u003c\/strong\u003e 2.56\" (65mm)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eHandle Material:\u003c\/strong\u003e Cobalt Blue FRN (Fiberglass-Reinforced Nylon)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eLock Type:\u003c\/strong\u003e Lockback\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.7 oz. (19.8g)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCarry System:\u003c\/strong\u003e Keychain hole, clipless\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 1 lb. (estimated)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e Spyderco Manufacturer Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Spyderco","offers":[{"title":"Default Title","offer_id":45315102015567,"sku":"MPCBL","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/5608\/5583\/files\/MPCBLOpen.webp?v=1779892403","url":"https:\/\/midwestnestshop.com\/products\/spyderco-manbug%c2%ae-cpm-spy27%c2%ae-folding-knife-mpcbl-cobalt-blue-frn-keychain-field-instrument","provider":"Midwest Nest LLC","version":"1.0","type":"link"}