Extrema Ratio is a specialized knife brand focused on the development and production of professional knives for military, public security, and rescue operations. They create a wide range of high-quality tactical, military, and hunting knives, suitable for the toughest environments, making them ideal for survival situations or as backup tools.

The brand combines industrial processes with traditional craftsmanship, ensuring both uniformity in production and high-quality standards through artisanal quality controls. Each knife is hand-sharpened, emphasizing the skill of the craftsmen involved.

Extrema Ratio has built strong relationships with various armed forces, both in Italy and internationally, allowing them to gather valuable insights that inform their knife designs. They are ISO 9001 certified and supply knives to military and public security units, including the Italian and French Armed Forces.

The company’s mission revolves around producing high-functionality equipment that maintains quality consistency. Each knife is meticulously designed for specific uses, reflecting their philosophy of uniqueness and excellence in craftsmanship.