Extrema Ratio Ultramarine NEDU diving knife
The ULTRAMARINE is the result of four years of research and development, conducted by Extrema Ratio in collaboration with Military Dive Teams of the Italian Special Forces, Law Enforcement Dive Teams and Civilian Underwater Operation Experts.
Units involved in underwater and amphibian operations use a variety of specialty tools.
The main objective of the ULTRAMARINE Project is to substitute these different tools with one versatile utensil capable of performing the multitude of tasks that professionals in the fields are asked to perform in these difficult and challenging operations.
The Primary Functions are:
- FIELD OPERATIONS
- UNDERWATER OPERATIONS
- EMERGENCY TOOL
- SURVIVAL
- COMBAT
Blade material
Böhler N690
Blade hardness
HRC 58
Blade coating / finish
MIL-C-13924
Serration
Partial, single edge
Handle
Polyamide
Weight:
13.051 oz
Overall length:
11.73″
Blade length:
5.91″
Blade thickness:
0.24″
Country of origin:
Italy
Lanyard hole, Double edge, Fuller, Presentation case, Serialized, Window breaker
Emission offsetting
Greener use of materials
Sources from nature
Because it's simple yet important
Lamnia's speciality is a selection of more than 5,000 knives and folding knives. We carry hundreds of Scandinavian knives, the famous Finnish Puukko knives among them, folding knives, hunting knives and kitchen cutlery from the world's best brands, such as Spyderco, Cold Steel, Böker, Fox Cutlery and Benchmade.





