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Literally translated as “Maximum Value”, Extrema Ratio Knives combine the best of contemporary materials and manufacturing with the legendary grace and design of Italian style. 

Welcome to Extrema Ratio North America.  We are a Wholesale Only site for Extrema Ratio Knives.  If you would like to purchase a knife, please visit one of our authorized dealers.
 

 
 


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Extrema Ratio is at the top of its field,  producing cutting edge tactical knives with Italian style.  
Don't settle for anything less than the very best in Extrema Ratio

 
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