• Extrema Ratio turns 25!

Extrema Ratio turns 25!

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Extrema Ratio turns 25!

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Extrema Ratio, the Italian leader in professional and tactical knives, celebrates its first twenty-five years of innovation and excellence with a long list of great new products and exclusive events

Extrema Ratio turns 25!

Extrema Ratio turns 25!

The date of November 17, 2022 marks the twenty-fifth anniversary of the foundation of the Extrema Ratio company of Prato (Italy), established in 1997 by two partners who had both the vision and the necessary technical know-how to make it come true, and rapidly grown into a global leader in professional cutlery and tactical knives.


Ever since their first Dobermann K1 and K1S knives were introduced at the 1998 edition of the EXA expo in Brescia (Italy), Extrema Ratio has established numerous fruitful collaborations with multiple top military units both in Italy and abroad, with a masterly blend of tradition and innovation that allowed the Company to establish a vast and ever-expanding catalog of extremely successful products, as well as a series of limited special editions that are enormously sought after by collectors worldwide, while at the same time earning the trust of élite military customers all around the globe.


On the occasion of its 25th anniversary, Extrema Ratio renews the brand image with a new logo: a more stylized, dynamic and modern version of the historical factory logo, projecting Extrema Ratio in a future that follows the steps of the company’s tradition of quality that made the brand so strong in the world as the years went by.

Extrema Ratio turns 25!

As a testament of Extrema Ratio’s dedication to design evolution, innovation and emotion, the company celebrates its 25th anniversary by making its debut in the Metaverse. EXTREMAVERSE is a new virtual space where anyone can live the meta-versic Extrema Ratio experience, either with or without wearable VR devices.


A series of very rare collector’s grade NFTs (only 25 available) will also be launched, to be announced on the official Company website, to represent Extrema Ratio’s most iconic creations.


Finally, as part of the 25th anniversary initiatives, numerous new products will be announced – including Limited Edition or Special Edition moddels.


Further information on those limited and special editions as well as on all other initiatives that have been planned to celebrate the 25th anniversary of Extrema Ratio will be published starting Noveber 17th, 2022, directly on the official company website: www.extremaratio.com.

VIDEO / XXV Anniversario Extrema Ratio teaser