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Extrema Ratio Ermes Operativo Black Fixed Blade Knife N690
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.
