Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black
Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black
Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black
  1. Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black
  2. Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black
  3. Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black

Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5″ Black

$435.00 — taxes calculated at checkout

Characteristics

Blade Length5.5"
Overall Length10.13"
ColorBlack
Blade MaterialBohler N690 stainless
Blade FinishMIL-C-13924 burnished
Handle MaterialFRN
Package TypeBoxed.

Available

SKU: EX0443BLKOP Categories: , Brand:
Extrema Ratio Ermes Operativo Black Fixed Blade Knife N690
Extrema Ratio Ermes Operativo Fixed Blade Knife 5.5" Black

Italian-made fixed blade with proven tactical design and premium N690 stainless steel.

  • Blade: 5.5" black burnished Bohler N690 stainless, full tang
  • Overall Length: 10.13" (compact for carry and control)
  • Handle: Black FRN with lanyard hole, secure grip in any condition
  • Sheath: Black nylon with MOLLE compatibility for tactical gear integration
  • Made in Italy: Extrema Ratio's heritage craftsmanship
  • Includes: Original box and belt sheath
  • Weight: 1.08 lbs — balanced without bulk

Purpose-built for field work, survival situations, or professional EDC where reliability matters.

Product SKU: EX0443BLKOP

Product Brand: Extrema Ratio

Product Price: 347.65

Price Valid Until:

The Ermes Operativo is a fixed blade knife with a 5.5″ Bohler N690 stainless steel blade finished in MIL-C-13924 burnished black, paired with a black FRN handle. At 10.13″ overall, it’s sized for substantial cutting tasks while remaining manageable in hand. The blade is full tang, and the handle includes a lanyard hole for attachment options. The knife ships with a black nylon belt sheath that features MOLLE compatibility for gear integration.

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