The unanimous top pick across every major testing source. Three-stage diamond abrasive system converts 20-degree knives to razor-sharp 15-degree edges and can resurrect seriously damaged blades.
If you own good knives and want to keep them that way, this is the one to buy. Every expert tester picked it first, and the magnet-guided slots make it nearly foolproof despite the learning curve.
“The best electric knife sharpener I used while testing was the Chef's Choice Trizor XV — magnets on the sharpening tracks ensure the correct sharpening angle, so the risk of making mistakes while sharpening a dull blade on the diamond abrasives is pretty minimal.”
CNET · read full review →
“This electric knife sharpener features a three-step process that creates a razor-sharp blade using diamond abrasives — it was sturdy with slip-resistant feet, and offers a good amount of space to rest your hand and secure the unit while it's in use.”
Good Housekeeping · read full review →
“Post-Trizor, the slimmed down edge, lined with tiny micro grooves designed to 'push' food away from the blades, meant that no downward pressure was needed to break through the squash, and that the knife cleanly slipped through the tomato without crushing it.”
Epicurious · read full review →
“The Work Sharp electric sharpener can handle lots of tools, including chef's knives, scissors, and mower blades with adjustable angles and variable speed control.”
Serious Eats · read full review →