This is a sharpener that will sharpen any good knife - it has been fitted with a 26 cm long rod.
Interestingly:
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The Zwilling brand sharpener was created from chrome-plated, high-carbon steel.
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It is highly resistant to damage - it achieved a score of 62 HRC on the hardness scale.
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The plastic handle has a hole so that the sharpener can be hung up.