Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Before discarding that knife ...

I purchased the Chef's Choice Model 110 and used it to sharpen a knife [not mine] that had been previously damaged by someone trying to sharpen the knife on a grinding wheel. While the 110 could not correct the cosmetic damage done to the knife, it did restore a very sharp edge to the knife. I look forward to sharpening MY knives and maintaining a razor sharp edge.Before discarding that knife, try the model 110 and save cash!