EXTREMA RATIO ULTRAMARINE FIXED BLADE KNIFE WITH SHEATH
EXTREMA RATIO ULTRAMARINE FIXED BLADE KNIFE WITH SHEATH
The ULTRAMARINE is an amphibious knife, carried around from underwater operation equipment (diving suit) to ground operation equipment (tactical vest). Two different versatile sheaths were therefore developed for it. The scuba sheath can be worn at the ankle, or its hard ABS section can be attached by two BELT-CLIPS to either the breathing apparatus or BCD belts. The land sheath (OPTIONAL, included on request) is MOLLE system compatible, designed to be attached to the tactical vest and carried inside a waterproof bag during underwater operations. All an operative has to do, if getting rid of his diving suit after landing, is to draw the knife from its ankle sheath and place it in the tactical vest sheath. Primary functions: field operations, underwater operations, emergency tool, survival and combat.
- TECHNICAL SHEET
- Weight g.:395
- Weight oz.:13,9
- Blade Length (mm):150
- Blade Length (in):5,9
- Total Length (mm):298
- Total Length (in):11,7
- Blade Thickness (mm):6,3
- Blade Thickness (in):0,25
- Blade Material:BöHLER N690 STEEL (58HRC)
- Blade Finishing:MIL-C-13924 BURNISHING
- Main Grid:FLAT
- Serration (in):1,6
- Serration (mm):40
- Handle Material:NYLON
Extrema Ratio, located in Prato, Italy, has been designing, manufacturing and selling high performance combat knives since 1997 enjoying a reputation for excellence that is unsurpassed in the military and tactical knife industry.
The increased capacity through the years enabled Extrema Ratio to extend its operations. As part of this effort, the company moved in 2004 to a new 600 square meter facility in order to meet the market demand and the company quickly established itself as one of the country’s leading cutlery manufacturers.
Extrema Ratio serves military and law enforcement communities as well as commercial markets and the knives are well known and sought after all over the globe.
The company prides itself in design, material and quality to deliver a high end product that meets the most severe mil-standards.
The production based on modern cutting edge technology is combined with traditional craftsmanship and the result is the pinnacle of this synthesis. The Extrema Ratio design team uses the 3D system to design new models and create prototypes. Each knife design is then meticulously inspected and then field tested. At this point the finest materials are chosen for durability, function and beauty. Each knife is then hand assembled and hand finished and inspected by Extrema Ratio team of craftsmen.
First class handwork and well-selected material have contributed to form the image of the Extrema Ratio trademark all over the world.
Each knife that is manufactured at Extrema Ratio has measured up to the Company rigorous standards for quality and performance. The knives are the result of painstaking research and development. This is an Extrema Ratio hallmark. Extrema Ratio knives represent a real, solid value for the money.
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