Extrema Ratio is an Italian brand specializing in the production of professional knives for the military, law enforcement, and rescue services. Their range includes military, tactical, hunting knives, as well as robust tools designed for challenging conditions, such as survival knives and rescue tools. Many of their designs result from collaborations with the military, allowing the company to gather valuable experience, innovate, and tailor their offerings to meet customer needs. Extrema Ratio is ISO 9001 certified and registered as a supplier for NATO Armed Forces. They are an official supplier of knives to the Armed Forces in Italy, France, and numerous units worldwide.