VICTORINOX Knife Sharpener System Knife Sharpener 2 Stages Red Easy Maintenance with 2 Stages of Rough Sharpening and Final Sharpening Easy-to-use

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One-push switching button controls disc rotation. Step I is dedicated to "resharpening", which firmly fixes the two discs and restores the dull edge of the knife. Step II allows you to "finish" the resharpened edge (blade) by relaxing the pressure on the blade without fixing the disc.