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Kershaw® 1670USA Ken Onion Blur Patriotic Assisted Folder – 3.4" Recurve Drop Point – Sandvik 14C28N Stainless Steel – Stonewashed Finish – USA Flag Anodized Aluminum with Clear Trac-Tec Inlays – 1670USA
Product Description
The Kershaw® 1670USA Ken Onion Blur Patriotic Assisted Folder (1670USA) represents an elite, beautifully executed mechanical benchmark in tactical folding craftsmanship and everyday carry (EDC) utility logistics, proudly manufactured in the USA to merge high-performance edge retention with unmistakable American style. Designed by legendary master knifemaker Ken Onion, this flagship variation of the iconic Blur series elevates standard utility platforms into a statement of pure patriotic resilience. While ordinary folding knives feature slick or brittle handle shells that lose physical purchase during high-tempo strings of action—or employ cheaper steel structures prone to rolling along the edge—the 1670USA Blur acts as an unyielding, high-traction workspace asset. This severe-duty folding tool (087171073996) serves as an indispensable primary asset for tactical operators, emergency first responders, military personnel, and dedicated daily craftsmen alike.
The core cutting efficiency of this American-built masterpiece relies on its 3.40-inch recurve drop point blade, precision-milled from premium Sandvik 14C28N high-performance stainless steel. Specifically developed by Sandvik in partnership with Kershaw to maximize structural hardness and corrosion resistance, this exceptional metallurgy is heat-treated to an optimal 58-60 HRC. The subtle recurve profile creates an aggressive, high-leverage geometry that actively draws rope, cardboard, webbing, and heavy plastics directly into the belly of the edge for devastating slicing capabilities. The entire blade is completed with a low-glare, non-reflective stonewashed finish, an incredibly forgiving surface coat that masterfully hides aggressive scuffs, workspace scratches, and carbon residue accumulated over intense multi-year deployment blocks.
The structural framework of this 3.90-ounce engineering triumph is machined from solid 6061-T6 aircraft-grade aluminum alloy billet blocks, anodized in a vivid, high-fidelity Red, White, and Blue USA Flag motif utilizing Kershaw's advanced Coated Cosmic Imagery (CCI) process. To guarantee a zero-fail, non-slip grip without obscuring the beautiful patriotic graphics underneath, the handle flanks feature innovative clear Trac-Tec tape grip inserts. Deployment is propelled by Kershaw's legendary SpeedSafe® assisted opening mechanism; an internal high-endurance torsion bar fires the blade into a rock-solid, zero-play lockup the split-second the operator activates the ambidextrous thumb studs. Completed with a heavy-duty inset steel liner lock and a reversible steel pocket clip supporting tip-up or tip-down right-side staging, this commemorative tool delivers complete tactical authority over your daily cutting workspace.
Includes: (1) Authentic Kershaw Blur USA Flag Assisted Folding Knife (1670USA Stonewashed 14C28N Blade, Anodized USA Flag Handle with Clear Trac-Tec Inserts, Reversible Black Pocket Clip), Factory Product Care Documentation, Packed in Original Branded Kershaw Sealed Box Packaging Layout.
*SpeedSafe Mechanical Care & Operational Safety: The Kershaw 1670USA incorporates a potent spring-assisted opening system. For safety, always maintain a clear deployment path for the blade before pulsing the manual thumb studs. To preserve the glass-smooth speed of the SpeedSafe mechanism over long field cycles, periodically clean out the inner liner tracks using compressed air and apply a single micro-drop of high-grade synthetic oil directly to the pivot washers. Always physically confirm that the inset mechanical liner lock is fully engaged against the blade tang before applying vertical pressure during strenuous workspace cutting strings. Always clear your workbench area before performing any pocket clip repositioning adjustments.
Key Features
- Patriotic CCI Image Graphics: Lightweight aircraft-grade aluminum handles showcase a vivid American flag design applied through an elite, fade-resistant chemical bonding loop.
- Clear High-Traction Trac-Tec Inlays: Specialized transparent grip panels supply exceptional multi-directional traction while keeping the bold USA flag graphics clearly visible.
- Premium Sandvik 14C28N Steel: Elite surgical-grade blade steel delivers an immaculate balance of razor-sharp edge retention, structural toughness, and superior stain resistance.
- Ken Onion Recurve Geometry: The high-belly recurve drop point style maximizes slicing leverage, making short work of heavy ropes, canvas webs, and field-utility tasks.
- SpeedSafe® Assisted Fast Deployment: Internal torsion bar linkage responds instantaneously to thumb stud manipulation, snapping the blade safely into lockup with one-handed authority.
- Reversible Pocket Clip Foundation: Pre-drilled handle mapping supports ambidextrous clip staging choices, allowing convenient tip-up or tip-down right-handed pocket storage.
Product Specifications
- Brand: Kershaw® Knives / Kai USA Ltd. (Designed by Master Knifemaker Ken Onion)
- Product Line: Premium USA-Made Tactical Ergonomics & Work-Ready Pocketknife Series
- Model Series Designation: Blur – USA Flag Graphic Assisted Folder
- SKU / MPN: 1670USA (Alternative Industry Identifiers: KS1670USA / KER-1670USA)
- Blade Length Dimension: 3.40 Inches (8.6 cm) Dedicated Cutting Deck
- Blade Core Thickness: 0.121 Inches (3.1 mm) Heavy-Duty Spine Width
- Closed Length Profile: 4.50 Inches (11.4 cm) Streamlined Pocket Footprint
- Overall Open Length: 7.90 Inches (20.0 cm) Complete Structural Reach
- Blade Steel Composition: Sandvik 14C28N High-Performance Stainless Steel Matrix
- Hardness Alignment Rating: 58 - 60 HRC (Rockwell Scale Calibration)
- Blade Style Profile: Modified Drop Point with Slicing Recurve Profile
- Blade Surface Finish: Non-Reflective Scratch-Masking Stonewashed Polish
- Opening Action System: SpeedSafe® Assisted Opening Linkage with Ambidextrous Dual Thumb Studs
- Locking Mechanism Class: High-Strength Stainless Steel Inset Liner Lock
- Handle Construction Core: 6061-T6 Aircraft Billet Aluminum with Clear Technical Trac-Tec Inserts
- Handle Pattern Graphic: Full-Color Red, White, and Blue American Flag via CCI Application
- Pocket Clip Configuration: Reversible Steel Clip (Tip-Up / Tip-Down, Right-Hand Configuration)
- Product Net Component Weight: ~3.90 oz (~0.24 lbs) - Balanced Utility Staging Profile
- Total Packaging Shipping Mass: ~0.45 lbs (Enclosed Inside Protective Retail Presentation Boxing)
- Country of Mechanical Origin: Proudly Crafted Natively in the United States of America
- UPC Barcode Number: 087171073996
