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Extrema Ratio Glauca Knife Series by Extrema Ratio Knives

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Extrema Ratio Glauca Knife Series: The Epitome of Tactical Excellence


Welcome to the world-class selection of the Extrema Ratio Glauca Knife Series at Knife Country USA, where unmatched tactical functionality meets cutting-edge design. Forged from the highest quality Bohler N690 stainless steel, the Glauca series is an embodiment of durability and sharpness, each knife a cornerstone of tactical readiness.


  • Glauca B1 Linerlock Folding Pocket Knife - EX133GLAUCAB1: Engineered for maximum penetration with its pointed double-edge tip and sharpened edges, this knife integrates an integral guard with lashing holes, textured black aluminum handles, and a tool for cutting through plastic handcuffs. The rear glass breaker and reversible pocket clip, paired with the deluxe belt sheath, make it a comprehensive tactical tool.



  • Glauca J1 Linerlock Desert Tan - EX0165RVHCS: With its MIL-C-13924 burnished tanto blade and desert tan anodized aluminum handle, this knife is as functional as it is visually striking. The inclusion of a glass breaker, pocket clip, and tan Kydex belt sheath rounds out its tactical utility.


Knife Country USA invites you to explore the Extrema Ratio Glauca Knife Series, a collection that doesn't compromise on quality or functionality. These knives are meticulously crafted to support those who demand the best in their tactical gear. Whether you are a service member, law enforcement officer, or an adventurous spirit, the Glauca series provides a knife that will not only meet but exceed your expectations.


The Glauca series knives are conceived for those critical moments when a reliable blade can make all the difference. With features like quick deployment, versatile blade designs, and multifunctional uses, these knives are ready to tackle any challenge. The Extrema Ratio brand, coupled with Knife Country USA's commitment to quality, ensures that you have access to some of the most sought-after tactical knives on the market.


Gear up with the Extrema Ratio Glauca series and experience the confidence of carrying a knife designed for tactical supremacy. You can trust these knives to be your ally in any situation, providing you with the edge you need when it matters most.

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