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.
What holds up
Three-stage process: sharpen, hone, and polish with 100% diamond abrasives
Converts standard 20-degree American/European knives to sharper 15-degree Japanese-style edge
Sharpens serrated knives via flexible abrasive polishing slot
3-year warranty included
What to know
Expensive, costs more than most chef's knives
Bulky footprint requires significant counter or cabinet space
Extensive manual required reading before first use, not intuitive out of the box
Only sharpens to 15-degree angle, less ideal for German-style knives long-term
Expert verdict
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.
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.
This is the sharpener for people who want great results without reading a manual. Press a button, swipe your knife, done. The replaceable discs and scissors slot make it genuinely versatile for the price.
What holds up
Timer-based operation prevents over-sharpening, just press and swipe
Measuring about six by four inches, this compact, affordable electric knife sharpener can easily fit on your countertop or in a cabinet for convenient storage, we love that the sharpening discs are removable and easily replaceable once they start to get dull.
If you run a chainsaw regularly, this is the only sharpener worth owning. It's fast, precise, and compatible with every major brand. The learning curve on angle settings is real, but once dialed in, results are excellent.
What holds up
Compatible with all major chainsaw brands: Makita, Ryobi, Stihl, Husqvarna
Built-in work light for visibility during sharpening
Wear indicator alerts you when grinding wheel needs replacement
Fast 3,150 RPM sharpening with all mounting hardware included
Professional-grade results, used in commercial shops
What to know
Confusing instructions for first-time users, especially angle selection
Must reset when reversing chain direction
Heavy at 17 pounds, not portable
Premium price around $250
Expert verdict
Once you figure this grinder out, it works fast and provides excellent results. We like that it includes a built-in work light to help you see what you're doing and a wear indicator to let you know when it's almost time to replace your grinding wheel.
All the necessary mounting hardware is included right in the box, setup is quick and easy, and it will pay for itself after you've sharpened a couple of dozen chains compared to taking it to a pro.
Whetstones are what professional chefs actually use, and this set makes the learning curve manageable. The angle guide and nonslip holder remove the two biggest beginner mistakes. If you want the sharpest possible edge and don't mind a little practice, this beats every electric sharpener.
What holds up
Dual 1000/6000 grit sides handle both sharpening and polishing in one stone
Achieved 291% sharpness increase in Serious Eats controlled testing, best of all whetstones tested
Includes angle guide and nonslip holder for beginner-friendly setup
Works on all knife types including Japanese and carbon steel single-bevel blades
Significantly cheaper than electric alternatives
What to know
Requires practice to master, steeper learning curve than electric sharpeners
Softer stone material can develop a valley over time, requiring a lapping stone to flatten
Slower process than electric sharpening
Needs occasional maintenance with a lapping plate
Expert verdict
This knife sharpening set stood out as the clear winner, combining beginner-level accessories, like an angle guide and a nonslip holder, with pro-level results. Its dual 1000/6000 grits sharpened my damaged knife to a razor-like finish, making it a reliable pick for home cooks and seasoned pros alike.
If you're the kind of cook who enjoys hands-on kitchen projects and wants total control over your knife's edge, a whetstone is the way to go. It takes more practice and a bit more time, but the payoff is a sharper, smoother edge that you can tailor to each knife.
Look for sharpal at amazon. The 162 is very popular, coarse grit on one side, medium on the other. There are also many decent waterstones that are not diamond. Shapton and Naniwa do not have to be soaked, you just put water on them, splash and go.
If you already own a Dremel or want an all-in-one kit without spending $250 on a bench grinder, this is the smart buy. It's freehand so there's a learning curve, but the included angle guide and variable speed make it far more capable than its price suggests.
What holds up
Complete kit includes rotary tool, three file sizes, and chainsaw angle attachment
Variable speed up to 33,000 RPM adapts to different chain types
Lightweight at 2 pounds, portable for field use
Angle guide ensures correct sharpening angle for consistent results
Fraction of the cost of bench-mounted alternatives
What to know
Freehand operation requires practice to master
Gets hot during extended operation
Less precise than bench-mounted sharpeners for professional use
Corded only, limits portability in the field
Expert verdict
The Sharp Pebble Electric Chainsaw Sharpener Kit is our top choice for an electric chainsaw sharpener because it comes with everything you need to sharpen a variety of chainsaw sizes, including a rotary tool. It works fast with variable speeds and is easy to use.
The aluminum oxide stone combines pro-level functionality with beginner-friendly features. It stood out to the pros in our Lab for its non-slip bamboo base for holding the stone securely in place as you sharpen.
Good Housekeeping (Sharp Pebble whetstone)View source
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