Chef'sChoice Professional Electric Knife Sharpener

This 3-stage electric knife sharpener uses diamonds to sharpen knives, including converting 20-degree edges to 15 degrees, and ensures a precise, long-lasting edge.

• The description claims the sharpener can convert a traditional 20-degree knife edge to a more precise 15-degree edge.
• The description claims the sharpener creates an ultra-sharp, longer-lasting edge.
• The description claims the sharpener is chosen as the best knife sharpener in a test of 9 models by America's Test Kitchen.