America's Test Kitchen

This slightly simplified, more compact version of our top-rated sharpener has one fewer sharpening slot, with the same medium-abrasive diamond abrasive of our winner for shaping, and a flexible stropping disk to polish the edge. As a result, this sharpener created an edge with two reinforcing bevels, as opposed to the three created by the top-rated Trizor model. We noticed only a minor difference in cutting performances between the knife we sharpened in this model and the knife we sharpened in the Trizor, but knives sharpened in this model may require slightly more frequent sharpening to maintain their edges. Like the Trizor, the spring-loaded guides left light cosmetic scratches along the side of our blades.

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Chef's Choice Model XV 3-Stage Professional Electric Knife Sharpener Review

Why We Love the ChefsChoice Trizor XV Knife Sharpener

Consumer Reports

What we like: Inexpensive, sharpens quickly.

What we don't like: Aggressive sharpening seems to remove lots of metal, and it bogged down during use.

Knife Sharpener Comparison