Extrema Ratio Numen Fixed Blade S600 Black
Search By Category
The Extrema Ratio Numen is a high-performance survival knife inspired by the Roman concept of numen, designed for durability, versatility, and demanding outdoor use.
Concept and Inspiration
The Numen knife is named after the ancient Roman idea of numen, an invisible force that guides and protects in critical situations. Unlike a deity with personality, numen represents a discrete power that influences outcomes, reflecting the knife’s role as a reliable companion in survival and bushcraft scenarios.
15" (38.1cm) overall. 8.25" (20.96cm) black DLC coated flat ground blade. Black G10 handle. Full tang. Lanyard hole. Bohler S600 steel blade. Black Cordura MOLLE compatible belt sheath. Boxed.
Weight: 2.42lbs
Country of Origin: Italy
Concept and Inspiration
The Numen knife is named after the ancient Roman idea of numen, an invisible force that guides and protects in critical situations. Unlike a deity with personality, numen represents a discrete power that influences outcomes, reflecting the knife’s role as a reliable companion in survival and bushcraft scenarios.
15" (38.1cm) overall. 8.25" (20.96cm) black DLC coated flat ground blade. Black G10 handle. Full tang. Lanyard hole. Bohler S600 steel blade. Black Cordura MOLLE compatible belt sheath. Boxed.
Weight: 2.42lbs
Country of Origin: Italy
Copyright © 2026 cuttingedgeknives.com.au 
Are you 18
years old?
Please verify your age to enter.