Extrema Ratio Ferrum T Black Warfare - N690 Tactical Folding Knife
Extrema Ratio Ferrum T Black Warfare - N690 Tactical Folding Knife
Extrema Ratio tactical folding knife with N690 blade in Geotech Camo pattern, fast flipper opening and ultra-light aluminum handle.
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Key Features
- Brand
- Extrema ratio
- Reference
- SC7190
- Condition
- New
Overview
The Ferrum T Black Warfare by Extrema Ratio is a tactical folding knife designed for both everyday use and professional engagement. Slim and compact, it suits demanding EDC carriers as well as users seeking a discreet, easily accessible tool, whether slipped into a pocket, a flashlight holster, or fixed to a MOLLE strap.
Technical Specifications
- Blade: Böhler N690 steel hardened to 58 HRC, spear point with lightening hole - a solid compromise between strength and lightness
- Blade finish: MIL-C-13924 grinding with Geotech Camo pattern, original design laser-engraved by Extrema Ratio, for a unique tactical aesthetic
- Grind: flat, blade length 73 mm, thickness 3 mm - precise geometry for versatile use
- Handle: two anodized Anticorodal aluminum scales, offering a slim, lightweight and corrosion-resistant grip
- Weight and dimensions: only 86 g, 184 mm open - a compact format designed for discreet carry
- Opening: flipper-assisted, blade mounted on ball bearings for smooth, precise and fast movement, even one-handed
- Locking: proven liner lock, ensuring reliable blade retention under intensive use
Benefits
- Fast and safe opening thanks to the ball-bearing flipper system, ideal in emergency situations
- A featherweight 86 g that doesn't weigh down your pocket or gear worn all day
- A reversible clip located at the rear of the handle, adaptable for right- or left-handed carry
- A blade made of N690 steel, renowned for its good balance of hardness (58 HRC), edge retention and corrosion resistance
- A bold tactical design with the Geotech Camo pattern, an exclusive visual signature of Extrema Ratio
- Multiple carry compatibility: pocket, flashlight holster or MOLLE strap
Use and Maintenance
The Ferrum T Black Warfare is suited to demanding daily use as well as professional or outdoor applications. To preserve the MIL-C-13924 finish and the Geotech Camo pattern, regular cleaning and careful drying after exposure to moisture are recommended. The ball-bearing mechanism should be checked periodically to maintain the model's characteristic smooth opening.
- Böhler N690 steel blade hardened to 58 HRC for excellent edge retention and good corrosion resistance
- Ball-bearing assisted flipper opening, fast and smooth, even one-handed
- Anodized Anticorodal aluminum handle: lightweight, slim and durable for a secure grip
- Ultra-compact weight of only 86 g, ideal for discreet daily EDC carry
- Exclusive laser-engraved Geotech Camo finish, a unique visual signature of Extrema Ratio
- Proven liner lock ensuring blade reliability under intensive use
- Reversible clip for carry adapted to each user, in a pocket or on a MOLLE strap
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