[TOP 9] Best Knife Sharpener America's test Kitchen: Which Should You Buy

CONVERT YOUR KNIVES: Ideal for converting traditional 20-degree factory edges of household knives into high performance Trizor XV 15-degree edges

DIAMONDS: Advanced stropping stage and 100 percent diamond abrasives for sharpening straight edge and serrated blades. Noise is between 65 dB and 75 dB

EASY TO USE: Advanced, patented flexible spring guides for automatic adjustment and accurate control of the sharpening angle and feature simple on/off switch

THREE STAGES: 3-Stage EdgeSelect sharpening system for optimum versatility in providing the perfect edge for each cutting task. Stages 1 and 2 are plated with 100-percent diamond abrasives to sharpen and hone the edge and stage 3 uses a patented flexible abrasive system to polish and help prolong the life of serrated knives

RAZOR SHARP: The 15 Trizor XV combines the strength and durability of the Trizor edge with the flawless, ultra-sharp 15-degree XV technology. Time Required to sharpen is approximately 1 minute for first time sharpening and resharpening is approximately 10 seconds

ELECTRIC SHARPENER: Easily apply the astonishingly sharp Trizor XV Edge for ultimate sharpness and effortless cutting

3-year limited warranty. Weight: 4.42 pounds

Measures approximately 10 L x 4.25 W x 4.25 H inches

Fastest and easiest way to sharpen any knife. Patented spring action bars invented in Austria by a master knife maker make sharpening foolproof. Precision ground tungsten-carbide safely sharpens all types of knives including serrated and high-quality Damascus knives. Solid stainless steel base.

The precision tungsten-carbide sharpeners made in Austria auto-adjust to the angle of the knife blade. Control the angle from 12 degrees for a super-sharp fillet knife to 20 degrees for a rugged chopping blade.

Sharpen, re-align, or polish knives just by changing the angle of the blade. Professionals use a chef’s steel to realign and maintain a sharp cutting edge, but this skill takes much practice. Get the same results even faster with this triple-action sharpener. The tungsten-carbide presses the knife edge into alignment at the correct angle. Works equally on straight and serrated blades to maintain sharpness.

Safe to use with the finest knives. Re-align edges before they roll over and dull. Polish a micro-bevel on the finest cutlery without fear of damaging blades. These two steps will keep knives razor sharp without removing any metal. Directions printed on bottom.

Products with a Purpose | With a portion of our sales, we are proud to support the World Central Kitchen non-profit: founded in 2010 by Chef José Andrés, World Central Kitchen uses the power of food to nourish communities and strengthen economies in times of crisis and beyond.

Factory-sharp edges: The only kitchen knife sharpeners using flexible sharpening belts – the same method used by manufacturers to sharpen their knives.

Fast pre-programmed sharpening: the E5 sharpens your knives at the touch of a button in less than 90 seconds. Three settings allow you to shape, sharpen, or hone your knives depending on how dull they’ve become. The sharpener automatically turns off at the end of the cycle.

Sharpen any knife, any brand: designed to accommodate all the popular knife styles and brands from high-end exotic steels to the most basic cutlery. The E5 even sharpens serrated knives, kitchen scissors, and poultry shears.

Built in vacuum: The only knife sharpener with a built-in vacuum to keep counters clean from sharpening debris. Other sharpeners are best kept away from where food is prepared, but Work Sharp culinary electric sharpeners are designed to work in harmony with your kitchen.

Award winning design: the E5 electric kitchen knife sharpener was named as a 2018 Innovation award winning sharpener.

Bonus ceramic honing rod: the E5 knife sharpener comes with a bonus ceramic honing rod you’ll actually use. Built in sharpening guides set the knife at the right position so you don’t have to guess if you are sharpening properly. Less than a minute of honing before you start cooking is all it takes to keep your knives performing at their best between sharpening's.

Simple one-touch pre-programmed controls guide you through 3 sharpening stages without the guesswork

Use the Shape button if your knife is very dull or has damage to repair

The Sharpen button exposes a fresh cutting edge, monthly

Use Refine to maintain your edge weekly

Made in USA with a 3-year warranty; 7 x 4.5 x 5" tall

Fastest and easiest way to sharpen any knife. Patented spring action bars invented in Austria by a master knife maker make sharpening foolproof. Precision ground tungsten-carbide safely sharpens all types of knives including serrated and high-quality Damascus knives. Rugged PA 66 Nylon base.

The precision tungsten-carbide sharpeners made in Austria auto-adjust to the angle of the knife blade. Control the angle from 12 degrees for a super-sharp fillet knife to 20 degrees for a rugged chopping blade.

Sharpen, re-align, or polish knives just by changing the angle of the blade. Professionals use a chef’s steel to realign and maintain a sharp cutting edge, but this skill takes much practice. Get the same results even faster with this triple-action sharpener. The tungsten-carbide presses the knife edge into alignment at the correct angle. Works equally on straight and serrated blades to maintain sharpness.

Safe to use with the finest knives. Re-align edges before they roll over and dull. Polish a micro-bevel on the finest cutlery without fear of damaging blades. These two steps will keep knives razor sharp without removing any metal. Directions printed on bottom.

Products with a Purpose | With a portion of our sales, we are proud to support the World Central Kitchen non-profit: founded in 2010 by Chef José Andrés, World Central Kitchen uses the power of food to nourish communities and strengthen economies in times of crisis and beyond.

Great kitchen gadgets to have: The Warthog V-Sharp Classic II straight out of the box is a sharpening system that anyone can use like an expert. Easy to use and sharpens like a champ. Rely on the Classic II when you're at home or in the field.

Does the job for you: With its 325 natural diamond honing rods, the Classic II sharpens even the hardest steel knives with barely any effort. Keep your blades sharp as a razor. 3 adjustable angles for different kinds of knives.

Both sides, every time: Our knife sharpening kit sharpens the blade on both sides simultaneously. It is ideal for kitchen knives, fillet, hunting, and most other flat-blade knives.

Knife sharpening kit for all hobbyists: The Warthog V-Sharp Classic II features a hand-crafted metal frame, solid rubber base, and durable powder-coat finish. A perfect kitchen knife sharpener for home chefs, pros, outdoorsmen, and other hobbyists.

We're here for you: We've been around for more than two decades, and we believe that you deserve the best. Because we think that our sharpeners are such a great investment, we're offering a 30-day money back guarantee.

Electric knife sharpener with 100-percent diamond abrasives

Sharpens, steels, and strops most brands and types of knives

Super-hardened miniature steel; flexible stropping disk

Angle-guides for foolproof sharpening; on/off switch; stabilizing feet

Measures 10 by 10 by 4 inches; 3-year limited warranty

ALL STYLES OF KNIVES: Hybrid AngleSelect technology for razor sharp edges on all your knives, including European/American 20-degree knives, Asian style 15-degree knives, straight and serrated blades, and sport and pocket knives

HYBRID SHARPENER: Combining electric and manual sharpening stages for an extremely sharp, arch-shaped edge that is stronger and more durable

ADVANCED SHARPENING: Efficient CrissCross sharpening technology and diamond abrasive wheels sharpen simultaneously to create a highly effective, extremely sharp, burr-free, durable edge

DIAMONDS: 100 percent diamond abrasives in Stages 1, 2 and 3 and ultra-fine diamond abrasives in Stage 3 ensure a super sharp, polished edge

PRECISION: Angle guides for precise sharpening

EASY TO USE: The Hybrid sharpener requires no guesswork and will quickly sharpen even the dullest of knives

STAINLESS STEEL: Elegant and durable brushed stainless steel cover

Great kitchen gadgets to have: The Warthog V-Sharp Classic II straight out of the box is a sharpening system that anyone can use like an expert. Easy to use and sharpens like a champ. Rely on the Classic II when you're at home or in the field.

Does the job for you: With its 325 natural diamond honing rods, the Classic II sharpens even the hardest steel knives with barely any effort. Keep your blades sharp as a razor. 3 adjustable angles for different kinds of knives.

Both sides, every time: Our knife sharpening kit sharpens the blade on both sides simultaneously. It is ideal for kitchen knives, fillet, hunting, and most other flat-blade knives.

Knife sharpening kit for all hobbyists: The Warthog V-Sharp Classic II features a hand-crafted metal frame, solid rubber base, and durable powder-coat finish. A perfect kitchen knife sharpener for home chefs, pros, outdoorsmen, and other hobbyists.

We're here for you: We've been around for more than two decades, and we believe that you deserve the best. Because we think that our sharpeners are such a great investment, we're offering a 30-day money back guarantee.