The Extrema Ratio collection is, simply put, the finest Italian craftsmanship mixed with precision and strength.  Extrema Ratio was formed with the ideal of creating outstanding knives and the elite military organizations of Europe quickly recognized that fact.  Because of the importance of being user-friendly by special forces, Extrema Ratio has created each of their knives to meet exact armed force standards using only the best materials.  The tolerances are precise, the materials are light, the workmanship is flawless and the end result is undeniably superior.

By paying extreme attention to these details, Extrema Ratio has set the NEW STANDARD for military knives.  Once you have felt the lightweight, yet sturdy composition of each product, you realize each knife was fabricated to give its owner a decided advantage in combat or life saving situation.  You will notice the rough features common in most military knives have been replaced by a sleek styling that fits naturally in your hand.  The stainless cobalt steel blades hold their edge and light weight does not compromise the resiliency of this quality blade.

In Italy, these knives are utilized by the elite special forces of European nations.  Each year, Extrema Ratio's popularity grows making access to these special products difficult.  They are available today in limited quantities and they are a must for the serious collector or individual that is depending on the best equipment.  Maurizio Castrati has mastered the processes of fashioning high caliber knives that are dependable in the hardest circumstances.  Contact us today to add Extrema Ratio to your collection.