Extrema Ratio · Code 04.1000.0166/BLK

Folding Knife Extrema Ratio CAIMANO NERO N.A. 04.1000.0166/BLK

★★★★★ 4,8 147 reviews Heureka verified
Extrema Ratio Caimano Nero N.A. Black is a durable and functional folding knife designed for real-world deployment. It combines robust construction, practical features, and reliable performance in one compact tool. Caimano Nero – strength and control in every situation. 🔥 Free shipping.
Knives Folding knives

Detailed product description

Fol

Extrema Ratio Caimano Nero N.A. Black is a robust folding tactical knife designed for professional use, where speed, durability, and maximum reliability are essential.

The model is based on the requirements of special units and optimized for real-world deployment. Its construction combines aggressive design with practical features that make sense in crisis situations as well as for everyday carry.

The Böhler N690 steel blade offers excellent corrosion resistance, stable hardness, and reliable performance during long-term use. The surface finish reduces glare and increases wear resistance.

The asymmetrical spear-point blade shape ensures high penetration and control during use. The combined edge enables effective cutting of both standard and more resistant materials.

Caimano Nero N.A. is a tool ready for action — fast, durable, and functional.

Edge Combined

Construction Folding

Additional features Glass breaker, lock

Key parameters

Overall length cca 23,1 cm
Blade length cca 9,3 cm
Weight cca 160–180 g
Clip ambidextrous
Steel Böhler N690
Steel hardness cca 58 HRC
Handle Anticorodal aluminum
Blade thickness cca 4,0 mm
Blade shape Asymetrický spear-point
Grind Flat Ground
Production Italy

About Extrema Ratio

Extrema Ratio is an Italian brand focused on manufacturing tactical knives for the military, security forces, and demanding users.

Its products are developed in cooperation with professionals and tested in real-world conditions.

Character and philosophy

Caimano Nero N.A. is designed as a tactical folding knife for situations where fast response and reliability are critical.

Compared to standard EDC knives, it offers more robust construction and specialized features such as a combined edge or penetrating tip.

Key benefits

  • Asymmetrical spear-point – high penetration
  • Combined edge – versatile use
  • Robust construction – suitable for demanding conditions
  • Glass breaker – for emergency situations
  • Ergonomic handle – secure grip

Possible limitations

  • Heavier than standard EDC knives
  • Combined edge is more demanding to sharpen
  • Tactical design is not for everyone

Maintenance and care

  • Clean both the blade and the mechanism
  • Check the edge regularly
  • Keep the pivot lightly lubricated
  • Store in a dry place
  • Remove dirt from the mechanism

To maintain the maximum sharpness of nitrogen steel, we recommend using a quality sharpening system that allows fast and precise maintenance even in the field.

This helps the blade retain reliable performance and a long service life.

🛒 Available on our Moskito website.

Final verdict

Extrema Ratio Caimano Nero N.A. Black is a durable and functional folding knife designed for real-world deployment.

It combines robust construction, practical features, and reliable performance in one compact tool.

Caimano Nero – strength and control in every situation. 🔥

Customer reviews

All 147 reviews →
4,8
★★★★★
147 reviews · Heureka verified
5129
414
33
21
10

You may also like

More →