My most-used chef’s knife, a no frills, entry-level model from Hampton Forge that gets shared among three roommates, went nearly three years without a single swipe on a whetstone or sharpening belt.

Now you can use the same technology at home with this easy-to-operate electric sharpener. Designed and assembled in Oregon, the Work Sharp Culinary E5 Sharpener has three different belts that operate ...