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Italian company created in 1997, Extrema Ratio evokes for many, the "Rolls Royce" of cutlery, and has become for the operational units and the connoisseurs of the whole world, synonymous with excellence in the field of tactical knives, these being the very best in terms of strength and endurance.
If you have to choose just one knife, whether for military and tactical use or for survival, choose an Extrema Ratio Knife!
The Extrema Ratio Outdoor series is built around a simple principle: when you’re out in the field, excess weight is a liability. It is a series specifically engineered for real outdoor use, featuring dedicated finishes and solutions: green handles for environmental integration, Stone Washed or Satin finished blades for easy maintenance, high‑visibility paracord, essential and rugged sheaths.
Fewer unnecessary accessories. Same reliability, same quality, same performance. Outdoor series knives embody this philosophy in the most direct way: real tools, ready for work.
F.O.K. Nitrogen Outdoor is a fixed blade knife for real outdoor use, designed for field work where weight, bulk, and reliability make the difference. It originates from the structure of the FOLGORE model and is reinterpreted exclusively for outdoor use, with materials and finishes optimized for the woods, the field, and prolonged outdoor activities.
Compact and lightweight, it’s designed to accompany you through long days of bushcraft, camping, and outdoor work, in your backpack or on your gear, without becoming unnecessary weight.
The blade maintains a contained thickness yet remains structurally very solid, ideal for bushcraft, advanced camping, preparation, and daily outdoor tasks. The tip ensures precision and control in practical activities, where an outdoor knife must respond immediately and predictably.
The handle with green scales is designed to offer ergonomics and a secure grip even with dirty, wet, or tired hands. A functional choice that reduces visual impact and blends into the natural environment.
The high‑visibility orange paracord is a safety feature: when the knife falls, when the terrain hides it, finding it again becomes essential.
Completing the system is a thermoformed Kydex sheath, lightweight and durable, which does not absorb water and requires no unnecessary maintenance.
Carry Configurations
The sheath is compatible with accessories that allow multiple carry configurations, adapting to your gear needs and outdoor scenarios:
A modular platform designed to be configured according to the environment, the duration of the outing, and personal preferences.
F.O.K. NITROGEN OUTDOOR
Essential. Reliable.
A professional outdoor tool designed to stay operational, even far from everything.
| Total length (mm) | 128 |
| blade length (mm) | 100 |
| blade thickness (mm) | 4,8 |
| Blade material "steel" | Nitrogen |
| Composition | Forprene |
| Properties | Fixe |
| Weight (gr) | 164 |
| Country of origin | Italie |
