VICTORINOX Knife Sharpener system knife sharpener 2 stages Black Easy maintenance with 2 stages of rough sharpening and final sharpening Easy-to-use

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