The Ultramarine by Extrema Ratio is a high end dive knife crafted for elite military service. The thick Bohler N690 stainless steel blade is coated with a Mil-C-13924 finish for a non-reflective, corrosion resistant finish. The dagger blade features partial serrations and an integrated strap cutter. Nylon wrapped handle provides a slip resistant grip. Included is scuba ankle sheath for ease of access.
Extrema Ratio Ultramarine Fixed Blade Knife (5.875″ Black)
$308.00 Original price was: $308.00.$95.99Current price is: $95.99.
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| Overall Length | 11.625" |
|---|---|
| Color | Black |
| Best Use | Diving, Tactical |
| Country of Origin | Italy |
| Model | Ultramarine |
| Brand | Extrema Ratio |
| Knife Type | Fixed Blade |
| Sheath | Nylon |
| User | Right Hand, Left Hand |
| Weight | 13.90 oz. |
| Handle Material | Nylon |
| Blade Length | 5.875" |
| Handle Length | 5.75" |
| Edge Type | Serrated |
| Finish | Black |
| Blade Grind | Flat |
| Blade Style | Dagger |
| Hardness | 58 RC |
| Blade Material | Bohler N690 |
| Blade Thickness | 0.25" |
| Product Type | Knife |
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