Extrema Ratio Ultramarine N.E.D.U. Fixed Blade Black Nylon (5.50″ Black)

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Features:

• Black oxide coated dagger blade of Bohler N690 steel.
• Black nylon handle.
• Fabric ankle sheath, two belt clips, and blade maintenance spray can.

Description:

Extrema Ratio’s Ultramarine was designed with the Naval Experimental Diving Unit of the United States. This knife was made to be a versatile tool, especially for underwater operations, so there is no dangerous piercing tip to cause mishaps. It’s an underwater, survival, and combat knife with a black burnished, partially serrated blade that’s made of exceptional Bohler N690 stainless steel and the inside-hilt blade tang underwent a special process to prevent corrosion. This fixed blade knife set includes a carrying case, maintenance spray-can, a Cordura fabric ankle sheath, and two belt clips that makes separate use of the inner hard sheath possible.

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