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Extrema Ratio Dobermann IV Fixed Blade Tactical Knife N690 Steel
Italian-made tactical fixed blade built for serious fieldwork and collection-grade durability.
Blade: 7 1/4" Böhler N690 stainless cobalt steel, black finish
Overall Length: 12 5/8" | Weight: 1.85 lbs
Handle: Black Forprene (NATO MIL-SPEC elastomer) with secure grip texture
Sheath: Black Cordura belt sheath with adjustable leg strap
Steel Type: N690 — German-engineered, high cobalt content for edge retention and corrosion resistance
Made in Italy by Extrema Ratio — renowned tactical knife manufacturer
Includes: Knife, belt sheath, leg strap attachment
The Dobermann IV is a no-compromise fixed blade for tactical professionals, survivalists, and knife enthusiasts who demand reliability in extreme conditions. The oversized handle and premium elastomer provide secure control in wet environments, while the full-tang N690 blade handles heavy-duty cutting tasks without compromise.
Product SKU:
EX180
Product Brand:
Extrema Ratio
Product Price:
327.25
Price Valid Until:
The Extrema Ratio Dobermann IV is a tactical fixed blade with a 7 1/4″ Böhler N690 stainless cobalt steel blade finished in black. The overall length is 12 5/8″ with black Forprene handles—a NATO MIL-SPEC elastomer chosen for durability and grip in demanding conditions. It ships with a black Cordura belt sheath that includes a leg strap for secure carry options. The N690 steel blade resists corrosion while maintaining edge retention, making it suitable for field work and outdoor applications.
