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Spyderco® ButtonUp™ Manual Button Lock Folder – 2.71" 8Cr13MoV Modified Clip Point – Carbon Fiber/G-10 Laminate – C275CFPBK
The Spyderco® ButtonUp™ Manual Button Lock Folding Knife in Peel-Ply Carbon Fiber and Black Oxide (C275CFPBK) represents a historic, paradigm-shifting milestone in everyday carry (EDC) innovation, tracking as the brand's first-ever manual-opening button lock utility folder. While standard button-lock knives frequently exhibit minor vertical blade play, rely on slick handle profiles that compromise user indexing, or suffer from sluggish, friction-heavy deployments—the ButtonUp completely redefines mechanical fluidity. This advanced everyday tool (716104019793) combines a high-strength internal plunge lock with an elite ball-bearing pivot matrix, providing a highly responsive target platform for tactical deployment, meticulous workshop chores, and fidget-friendly operation.
The structural foundation of this Eric Glesser design relies on a full-flat ground 8Cr13MoV stainless steel blade. Highly favored for its predictable sharpening response, high chromium content, and reliable toughness curves, this choice alloy is meticulously heat-treated to maximize edge stability. The defining technical edge of the C275CFPBK configuration is its specialized **2.71-inch cutting edge length set within a 3.27-inch modified clip point blade profile**. Boasting an elongated belly sweep and an acute, structurally reinforced tip, the full-flat grind delivers exceptionally clean, low-drag slicing geometry. The steel is finished in a non-reflective, deeply bonded Black Oxide coating that eliminates visual glare while building an extra layer of structural protection against ambient moisture and salt spray.
The true functional highlight of this pocket-sized powerhouse lies in its lightweight, composite ergonomics and ambidextrous furniture array. The handle is constructed from premium, open-backed Carbon Fiber/G-10 Laminate scales, presenting a smooth yet secure peel-ply textured surface that resists chemical solvents, thermal warp, and impact damage. Nestled seamlessly inside the scales are dual sets of stainless steel microliners—one array reinforcing the bearing pivot and lock face, and a secondary set anchoring a **reversible black hourglass pocket clip** at the butt end. Complete with a spacious signature Trademark Round Hole™ for traditional thumb flicking and a lined lanyard tube for fob personalization, this featherlight 2.10-ounce masterpiece delivers absolute mechanical authority for users who demand cutting-edge engineering lines.
Includes: (1) Spyderco ButtonUp Manual Button Lock Folding Knife (8Cr13MoV Black Oxide PlainEdge Blade / Carbon Fiber G-10 Handles), Black Reversible Hourglass Pocket Clip, Factory Information Sheet, and Original Spyderco Presentation Retail Box.
*Ball Bearing Pivot & Maintenance Guidance: Because the ButtonUp utilizes advanced internal ball-bearing pivot washers to achieve its legendary, hyper-smooth mechanical action, the pivot channel features open tolerances. To prevent fine pocket lint, carbon soot, or range dust from binding the bearings over long deployment strings, apply a single drop of premium low-viscosity pivot lubricant down the blade tang every few months, blowing out the track with compressed air to clear away grit.
Key Features
- Spyderco's Historic First Button Lock: Introduces a highly robust, manual button-release mechanism that completely isolates your fingers from the cutting path during closing loops.
- Hyper-Smooth Ball Bearing Pivot: Ball-bearing pivot washers drop internal friction down to absolute zero, enabling addictive, lighting-fast one-handed deployment.
- Black Oxide Modified Clip Point: Aerodynamic modified clip point profile pairs a deep, slicing-belly profile with an aggressive tip to maximize utility piercing potential.
- Lightweight Carbon Fiber/G-10 scales: Luxury laminate handle panels offer premium aesthetic lines and immense structural tensile strength while shedding total weight down to 2.1 oz.
- Fully Ambidextrous Deep Carry: Reversible black hourglass pocket clip anchors firmly to nested steel microliners, providing a secure, tip-up left or right-side ride configuration.
- Signature Trademark Round Hole™: Large thumb-hole opening ensures swift, slip-proof blade tracking whether operating with bare hands or heavy tactical shooting gloves.
Product Specifications
- Brand: Spyderco® Knives (Golden, CO / Manufactured in China Core)
- Product Line: Specialty Mechanical Pocket Folder Series
- Model Name: ButtonUp™ Carbon Fiber Black Oxide PlainEdge
- SKU / MPN: C275CFPBK (Alternative Factory Part Identifier: SPC275CFPBK)
- Primary Knife Designer: Eric Glesser
- Blade Steel Chemistry: 8Cr13MoV High-Chromium Stainless Steel
- Blade Hardness Matrix: 57-59 HRC (Rockwell Hardness Scale)
- Blade Edge Length Spec: 2.71 Inches (68.83 mm) - Clean PlainEdge Cutting Boundary
- Total Overall Blade Length: 3.27 Inches (83.05 mm)
- Closed Component Length: 4.43 Inches (112.52 mm)
- Open Overall System Length: 7.68 Inches (195.07 mm)
- Blade Stock Thickness: 0.118 Inches (3.00 mm)
- Blade Profile Geometry: Modified Clip Point / Full-Flat Ground
- Blade Surface Finish: Non-Reflective Tactical Black Oxide Coating
- Handle Material Class: Structural Premium Carbon Fiber / G-10 Laminate Matrix
- Handle Color Finish: Matte Stealth Carbon Black
- Locking Mechanism Class: High-Strength Manual Plunge Button Lock
- Pivot Action Base: Low-Friction Stainless Ball Bearing Washers
- Pocket Clip Configuration: Reversible Hourglass Clip (Left/Right Side, Tip-Up Ambi Carry)
- Lanyard Support System: Lined Steel Internal Tube at Base Heel
- Knife Core Net Weight: 2.10 oz (60.0 g)
- UPC Barcode: 716104019793
