Part #: EX315SEREBL | Extrema Ratio Knives
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Description
EX315SEREBL: SERE 1 Push Dagger
Extrema Ratio
 
SERE 1 originated from a study group encompassing special force operatives, martial artists and survival technique experts. The acronym stands for "Survival, Evasion, Resistance and Escape", the four cornerstone concepts for training courses administered to high risk of capture military personnel. Extrema Ratio's development team aimed at a contemporary reimagining of the whole fighting/survival knife concept, drawing inspiration from the core principles underlying great survival knives of the past, rather than their actual design.

The hilt takes after an uncommonly angled configuration operatives dub "friendly". Don't let its similarity with a push dagger configuration mislead you; the SERE 1 is effective both at piercing and slashing. Unlike a traditional push dagger, it's designed to be wielded with the blade projecting between index and middle finger, forming a single straight line from blade tip to wrist, and also allowing for reverse grip. The top of the hilt features a "top hammer" protrusion, a substitute of a hammer suitable for a variety of tactical uses, showcasing a natural advantage of SERE 1 over traditionally designed single tang survival knives. The blade was designed for sturdiness and handiness; the tip is shaped to maximize penetration, while its deltoid profile grants it toughness. One edge is partially serrated—useful for cutting ropes—while the opposite edge features a standard design halyard-cutter. The central hole, besides making the blade lighter, functions as a shackle key—a nod to the designers' maritime background. Peculiar of this knife is that it's specifically designed for using with the hilt removed; two dedicated holes facilitate mounting on a pole or haft (as an improvised spear, for example, or tomahawk, or a compact-size spade).

The SERE 1 measures in at 8.50" overall with a 4.75" black finish Bohler N690 stainless steel partially serrated single edge blade with a false top edge. The blade also has belt cutter and screw-pin shackle wrench with a finger grooved black Forprene handle. The end of the handle has a protruding tip and lanyard hole. Comes complete with a molded black Kydex with with Tek-Lok system.
Specifications
  • Blade Length: 4.75"
  • Cutting Edge: 4.50"
  • Handle Length: 4.00"
  • Overall Length: 8.50"
  • Blade Thickness: 0.25"
  • Blade Material: Bohler N690 Stainless Steel
  • Blade Style: Tanto
  • Blade Grind: Compound
  • Blade Finish: Black
  • Blade Edge: Partially Serrated with False Top Edge
  • Handle Thickness: 0.86"
  • Handle Material: Forprene
  • Handle Color: Black
  • Sheath: Molded Black Kydex with Tek-Lok
  • Weight: 10.50 oz.
  • Made in Italy
N690 Stainless Steel
N690 Stainless Steel
N690 is an Austrian steel with adequate hardness and superb corrosion resistant properties. This a great steel for use around marine environments.
Kydex Sheath
Kydex Sheath
Waterproof, scratch resistant, and low friction. It will hold its shape and makes a great alternative to leather.
Zytel Handles
Zytel Handles
A nylon polymer that is lightweight and extremely durable, Zytel can be shaped and textured to provide excellent grip.
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Dagger Series

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