Extrema Ratio

WARRANTY NOTICE & MAINTENANCE

Thank you for your purchase and welcome to our family.
Below, you will be guided to the correct section based on your needs. 

Did you purchase in the United States?

Click the button below to access your US warranty and review additional information. You will also find all the information about the terms and conditions of sale of Extrema Ratio USA

EXTREMA RATIO USA WARRANTY

Rest of the World (Excluding USA)

If you made your purchase in any country other than the United States, please click the button below. This will guide you to the Extrema Ratio warranty terms and all additional information.

EXTREMA RATIO WARRANTY

Remember: the warranty follows the product. If you ever sell or transfer your Extrema Ratio, hand over the original proof of purchase to the new owner: it is the document that activates the coverage.

HOW TO MAINTAIN YOUR EXTREMA RATIO

A premium knife requires proper handling to preserve its quality over time. Discover the maintenance and care instructions necessary to correctly use, clean, and protect your knife for years to come.

MAINTENANCE AND CARE

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