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I had no idea my steak knives were as dull as they were until I used this sharpener on them. It took me a good five or six goes to get them refreshed, but they legitimately do cut like a hot knife through butter now. Just remember not to use the sharpener on the knives and go right to cutting food with them - give them a quick wash to get rid of any tiny metal shavings left behind. This is a super easy-to-use sharpener and I’m looking forward to using it on the rest of my knives as needed!