This a grinder not a sharper, never let anything like this ever get close to your knives, they have certain angle that they are honed to. Never use anything but a stone or clay rod to sharpen your knives, and a steel to hone it between uses metal shaving are ruining your knife.
Had rookie chefs under me buy this but will never allow it in. Never ever use this kind of sharpener.
Bottom Line: No, I would not recommend this to a friend
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