Disclaimer: Product Color May Slightly Vary Due to Photographic Lighting Sources or Your Monitor Settings.

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

$623.00

In Stock

$623.00

In Stock

$623.0

In Stock

Overall Price Range

$623.00

Categories: , , Last Updated: August 12, 2025
Model: Ultramarine N.E.D.U.
Model Number: 1.1000.0321BLK

Description

10.88″ (27.64cm) overall. 5.5″ (13.97cm) black MIL-C-13924 burnished partially serrated Bohler N690 stainless blunt tip blade. Black nylon handle. Sheath comes without an upper flap. The inside-hilt blade tang undergoes a special cataphoresis process to prevent corrosion. The knife is supplied in a case with: a Cordura fabric ankle sheath, two belt clips allowing for separate use of the inner hard sheath, Hardside carrying case.

You can shop many other similar products from Extrema Ratio and through our categories: Premium Knives, Closeout, Knives

You can shop many other similar products from Extrema Ratio and through our categories: Premium Knives, Closeout, Knives

Additional information

Weight 3.46 lbs
Dimensions 14.25 × 4.25 × 9.50 in
Overall Length

10.88

Blade Length

5.5

Blade Thickness

0.25

Blade Material

Bohler N690

Blade Style

Dagger

Blade Grind

Flat

Finish

Black

Edge Type

Serrated

Handle Length

5.75

Handle Material

Nylon

Color

Black

Sheath

Polymer

Themes

Nautical

Brand

Extrema Ratio

Model

Ultramarine N.E.D.U.

Model Number

1.1000.0321BLK

Knife Type

Fixed Blade

Product Type

Knife

User

Left Hand, Right Hand

Weight (oz.)

13.05 Oz.

Best Use

Diving, Tactical

Country of Origin

Italy

Reviews

There are no reviews yet.

Only logged in customers who have purchased this product may leave a review.

Related products