Extrema Ratio · Code 04.1000.0088/SAT-SE

Fixed Knife Extrema Ratio PRIMO CORSO SPECIAL EDITION 04.1000.0088/SAT-SE

★★★★★ 4,8 147 reviews Heureka verified
Extrema Ratio PRIMO CORSO Special Edition is more than a knife – it is a blend of history, precise craftsmanship, and modern functionality. It offers reliability, precision, and elegant execution, making it ideal for collectors, enthusiasts, and anyone who appreciates a solid, historically inspired tool. PRIMO CORSO Special Edition – traditional design with performance you can rely on. Free shipping.
Knives Fixed knives

Detailed product description

History, tradition, and precise craftsmanship in a modern interpretation.

The Extrema Ratio PRIMO CORSO Special Edition is a fixed blade knife that revives the legendary design of the iconic knife awarded to members of the Gruppo Operativo Incursori after completing their first course. This model is a faithful replica of the historic knife, while also using modern materials and precise manufacturing to deliver reliability, durability, and high functionality. The satin-finished stainless steel blade provides a smooth, clean cut, while the ergonomic handle made of quality leather ensures a secure grip and comfortable handling even during extended use.

Sheath Leather belt sheath

Construction Full Tang

Key parameters

Overall length cca 11.46" (29,1 cm)
Blade length cca 6.93" (17,6 cm)
Weight cca 10.02 oz (~ 284 g)
Steel Böhler N690Co - stainless steel, 58 HRC
Handle leather s kovovými doplňky
Blade thickness cca 0.2" (5 mm)
Blade finish satin
Blade shape Clip Point
Production Italy

About Extrema Ratio

Extrema Ratio is an Italian brand with a reputation for producing professional fixed blade knives. Since 1997, it has been manufacturing tools for the military, special forces units, and demanding civilian users, with an emphasis on quality, functionality, and long service life.

Character and philosophy

PRIMO CORSO Special Edition is a tool that combines historical value with modern functionality. It is suitable for collectors, outdoor enthusiasts, and anyone who appreciates a solid, precise tool with the soul of history.

The knife is not merely decorative; it is a practical and reliable tool, ready for real use.

Key benefits

  • Faithful replica of a historic design with modern materials
  • Blade made of Böhler N690Co – excellent durability and edge retention
  • Satin-finished blade – elegant appearance and smooth cutting performance
  • Ergonomic leather handle – secure grip and precise control
  • Leather sheath – stylish and practical for carry
  • Robust, medium weight – a solid tool without unnecessary bulk

Possible limitations

  • A design inspired by a historic model may not appeal to fans of purely modern tactical knives
  • The leather handle requires care to maintain its appearance and functionality
  • Not ultra-light for minimalist EDC

Maintenance and care

  • Clean and dry the blade after each use
  • Keep the leather sheath dry and protected from moisture
  • Store in a dry environment away from direct sunlight
  • To maintain maximum blade sharpness, we recommend:
  • Spyderco Tri-Angle Sharpmaker Complete Sharpening System 204MF – ideal for N690 steel, offering:
  • precise and consistent sharpening angles
  • gentle maintenance without excessive material removal
  • safe use even without previous experience

🛒 Available on our Moskito website.

Final verdict

Extrema Ratio PRIMO CORSO Special Edition is more than a knife – it is a blend of history, precise craftsmanship, and modern functionality. It offers reliability, precision, and elegant execution, making it ideal for collectors, enthusiasts, and anyone who appreciates a solid, historically inspired tool.

PRIMO CORSO Special Edition – traditional design with performance you can rely on.

Customer reviews

All 147 reviews →
4,8
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147 reviews · Heureka verified
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