Knife - Essential Tool for Camping, Outdoor Adventure and collection
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ExtremaRatio - Satre FX - Yellow Nitrogen - Fixed-blade knife
When you need more working space and a blade with more substance, SATRE FX is the answer. It takes the essential design of the Satre and scales it up, improving control and cutting capacity without compromising its ergonomics. It is designed for continuous use, where the hand must not tire and the tool must remain predictable.
SATRE FX is a full-tang fixed blade with a skeletonized frame, designed to maintain good balance even during extended sessions. The more generous geometry offers a larger cutting surface and more stable handling during demanding tasks. The open construction also allows you to customize the handle with Paracord, adapting it to your preferences. The knife comes with a black Kydex sheath, pre-shaped and ready to use.
Configurations and Steels
* N690Co (Black and Stone Washed): a balanced choice between edge retention, impact resistance, and ease of use in the field.
* Nitrogen (Orange and Yellow): greater corrosion resistance, easy resharpening, and high visibility.
* Böhler S600 (Black): high-performance steel, cryogenically treated to 64 HRC, designed for maximum edge retention.Intended use: Sport / Light Utility
Production type: Industrial
Country of origin: Italy
Blade: Nitrogen steel
Blade Finish: High-visibility treatment
Handle: Nitrogen steel
Blade length: 95 mm
Blade thickness: 5 mm
Overall length: 190 mm
Weight: 97 g
Sheath: Thermoformed Kydex
Packaging: Cardboard box with Extrema Ratio logos
Notes: Larger version compared to the Satre modelER-SATFX-NY -
ExtremaRatio - Satre F - Black Nitrogen & Yellow Anticorodal - Knife
SATRE F è un chiudibile compatto pensato per uso quotidiano. Mantiene l’impostazione robusta della linea SATRE in un formato tascabile, con ingombri ridotti e portabilità reale. Sta in tasca senza dare fastidio, ma quando serve è pronto.
Apertura flipper rapida e controllabile con una mano. Struttura con doppia cartella in acciaio e blocco Liner-Lock: rigido, affidabile, senza giochi. La clip deep carry lo rende discreto in tasca. La fresatura sulla guancetta non è solo estetica: permette di identificare subito la variante anche da chiuso.
Le versioni in Böhler N690Co (Black, Stone Washed) puntano su resistenza all’usura e buona tenuta del filo, con manutenzione semplice. Le varianti in acciaio Nitrogen (Periwinkle, Orange, Yellow) privilegiano la resistenza alla corrosione, ideali per ambienti umidi o uso intensivo all’aperto. La versione Outdoor Nitrogen è la più orientata all’impiego sul campo.Intended use: Sport / EDC
Production type: Industrial
Country of origin: Italy
Blade: Nitrogen steel
Blade finish: MIL-C-13924 burnishing
Handle: Stainless steel liners with anodized Anticorodal handle scales
Blade length: 72 mm
Blade thickness: 3 mm
Overall length: 174 mm
Weight: 98 g
Locking mechanism: Liner Lock
Pocket clip: Removable and reversible, stainless steel
Packaging: Cardboard box with Extrema Ratio logos
Notes: Flipper opening systemER-SATF-NBKY -
ExtremaRatio - Satre - Yellow Nitrogen - Fixed-Blade Neck Knife
SATRE is a compact fixed-blade knife developed in collaboration with Daniele Dal Canto, a guide with the AIGS (Italian Association of Survival Guides). It was created to deliver high performance in a compact format, designed for survival, bushcraft, urban use, and as a backup tool. The range has been updated with new variants in high-visibility Nitrogen steel.
SATRE features a skeletonized full-tang construction that allows the handle to be wrapped in Paracord, adapting it to the user’s needs. Its compact size and the pre-formed black Kydex sheath, equipped with metal eyelets for ambidextrous, vertical, or horizontal carrying configurations on various mounts, make it suitable for use as a neck knife, backup knife, or primary tool in a survival kit.
The range now includes versions in Nitrogen steel (Orange and Yellow), characterized by high corrosion resistance, ease of resharpening, and high visibility in the field.
These are joined by models in N690Co steel (Black, Expeditions, and Stone Washed), a historic benchmark of the series for its overall balance between performance and operational handling, and the variant in Böhler S600 steel (64 HRC), designed for maximum hardness and edge retention.
Intended use: Sport / Light Utility
Production type: Industrial
Country of origin: Italy
Blade: Nitrogen steel
Blade finish: High-visibility treatment
Handle: Nitrogen steel
Blade length: 70 mm
Blade thickness: 5 mm
Overall length: 163 mm
Weight: 75 g
Sheath: Thermoformed Kydex
Packaging: Cardboard box with Extrema Ratio logos
Notes: Version with high corrosion resistance and high visibilityER-SAT-YN -
ExtremaRatio - Ant Urban Neon SF Yellow - DLC N690Co & Anticorodal - folding knife
When form and function find their balance.
ANT URBAN is designed to be appreciated and used every day. Essential on the outside, surprising in the details. Urban tones, satin finish, clean lines. Razor-sharp sheepfoot blade. For those who consider EDC an expression of their style.
NEON ENERGY
To remind you who you are, even when everything around you is gray. Impossible to ignore. Created for those who don't live in the choir, but outside it. When the world aims to blend in, you choose to stand out. A small gesture that breaks the urban monotony: live in color where others remain in grayscale. Those who carry an ANT URBAN NEON don't seek attention... they generate it.If you appreciate things that are well made and say something about you, then this is the tool for you.
Type of production: industrial
Country of production: Italy
Blade: N690Co stainless steel at 58HRC with DLC finish
Handle: stainless steel and anodized anticorodal aluminum
Blade length: 51mm.
Blade thickness: 2.4mm.
Closed length: 55mm.
Total length: 126mm.
Weight: 44g.
Locking system: Frame Lock
Clip: removable, stainless steel
Notes: part of “The Urban Beauty” collection, launched on 09/12/2025ER-ANTUN-SFYL








