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Hands use the Tumbler knife sharpener with a 20 degree indicator visible on the unit.

Close up of a wooden cylindrical Tumbler rolling knife sharpener with a metal lid and a 15 degree sharpening block

Man in plaid shirt sharpens a knife at a wooden workbench using the Tumbler sharpening set

Man in a plaid shirt cuts a carrot on a wooden cutting board with sharpening kit nearby

Close up of orange rolling knife sharpener with wood grain body and metal ends.

Close up of stacked diamond sharpening discs with orange accents from the Test-Tumbler sharpening set

Open orange box showing Tumbler sharpening components and magnetic features.

Orange Tumbler gift box shown from a different angle against a light background

BUNDLE AND SAVE

The Original Tumbler (2 Pack)

Two Full Sharpeners Great for Gifting Share the Experience

Elevate your sharpening game and share the experience of Tumbler. Ideal for gifting to a fellow culinary enthusiast, this set features two of our patent-pending Tumbler Rolling Knife Sharpeners™. With precision angles of 20° and 15° and the secure magnetic holders, you and a friend can enjoy factory-sharp knives in minutes. Plus, get extra savings with this two pack.

$219.00

Will Tumbler work for my knives?

Yes! The Tumbler Rolling Sharpener is designed to sharpen most kitchen and outdoor knives, including stainless steel, carbon steel, and even high-end Japanese blades. However, it’s not suitable for serrated knives or scissors. If you value versatility, ease of use, and sharp results, the Tumbler is perfect for you.

Which angle should I use: 15° or 20°?

The 20º and 15º angle options cover a vast majority of knives.

The 20° angle is the most common, especially for American knives , and provides a sturdy, long-lasting edge, ideal for everyday kitchen tasks and outdoor use. This angle sharpens quickly, keeping your knife ready for tougher jobs.
The 15° angle is designed for precision, offering a finer edge suited to knives like Damascus or high-quality carbon steel, perfect for detailed, delicate cuts.
For additional angle options, we offer the Knife Holder Pro.
Available for Tumbler Pro: To change the angle of your knife more quickly, add the Coarse Diamond Disc.

Tumbler vs others

Tumbler improves on traditional sharpening methods by removing their biggest drawbacks:

Vs. Whetstones: Precise but slow and difficult to master. Tumbler delivers similar accuracy in minutes, no skill required.
Vs. Pull-Through Sharpeners: Fast but aggressive. They can wear down your blade. Tumbler sharpens with a controlled angle, reducing unnecessary damage.
Vs. Professional Services: Effective but inconvenient and costly. Tumbler lets you sharpen at home, anytime, without the wait.
Vs. Honing Rods: Maintain an edge but don’t actually sharpen. Tumbler restores your blade to like-new sharpness.

Tumbler Original Diamond Rolling Knife Sharpener (2 Pack)

$219.00

Intuitive, compact, and built for everyday cooking

The Original Tumbler is where it all began—an intuitive, rolling sharpener that turns dull blades into razor-sharp tools in seconds. Compact, easy to use, and designed for everyday cooking, it brings confidence to the cutting board without the clutter.

MADE FOR THE KNIVES YOU ALREADY OWN

From everyday chef's knives to paring knives and more, Tumbler makes it easy to maintain a wide range of straight-edge kitchen knives.

Frequently Asked Questions

Will Tumbler work for my knives?

Yes! The Tumbler Rolling Sharpener is designed to sharpen most kitchen and outdoor knives, including stainless steel, carbon steel, and even high-end Japanese blades. However, it’s not suitable for serrated knives or scissors. If you value versatility, ease of use, and sharp results, the Tumbler is perfect for you.

Compatible Brands:

German Knives:
• Wüsthof, Zwilling J.A. Henckels, Messermeister

Japanese Knives
• Shun, Global, Miyabi, Tojiro, MAC

American Knives
• Cutco, Lamson, Dexter Russell, Mercer Culinary

Outdoor Knives
• Buck, Spyderco, Benchmade, KA-BAR

Specialty Knives
• Dalstrong, Victorinox, Yoshihiro

This list covers many popular brands, but rest assured, Tumbler works with nearly any quality straight-edge knife.

Which angle should I use: 15° or 20°?

The 20° angle provides a sturdy, long-lasting edge, ideal for everyday kitchen tasks and outdoor use. This angle sharpens quickly, keeping your knife ready for tougher jobs. The 15° angle is designed for precision, offering a finer edge suited to knives like Damascus or high-quality carbon steel, perfect for detailed, delicate cuts. Here’s a quick guide:

20° Angle
(Robust & Durable Edges)

• Western kitchen knives (e.g., chef’s knives, utility knives)
• Everyday stainless steel knives
• Outdoor and survival knives
• Pocket knives
• Hunting knives

15° Angle
(Precision & Fine Edges)

• Japanese kitchen knives (e.g., santoku, nakiri)
• High-quality carbon steel knives
• Damascus steel blades
• Fillet knives
• Specialty or delicate knives needing a sharper, thinner edge

These recommendations are general guidelines; check your knife’s specific manufacturer recommendations when possible.

How is Tumbler different from other sharpeners?

Tumbler offers a unique blend of simplicity, precision, and professional-grade sharpness that outperforms traditional sharpening tools and services:

Versus a Honing Rod
Honing rods help maintain an edge by realigning the blade, but they don’t actually sharpen. Tumbler’s diamond-coated disc provides true sharpening, restoring your knife’s edge to like-new sharpness.

Versus Pull-Through Sharpeners
While pull-through sharpeners are quick, they can strip away excessive material, reducing blade lifespan. Tumbler’s rolling action and magnetic holder provide a controlled, consistent angle, giving you effective sharpening without excess wear.

Versus Whetstones
Whetstones deliver a precise edge but are time-intensive and tricky to master. Tumbler combines the accuracy of a whetstone with the ease of pre-set angles, offering a professional finish in minutes.

Versus Professional Sharpening Services
Professional sharpening can deliver good results, but it requires time and expense—and you’re left without your knives during the service. Tumbler allows you to achieve comparable, pro-grade sharpness at home anytime, with no wait

Is there a warranty or return policy?

Yes! All Tumbler sharpeners come with a 100% satisfaction guarantee and a 30-day money-back promise (extended thru past Christmas). Plus, our sharpeners include a warranty against manufacturing defects, so you can sharpen with confidence knowing you’re fully covered.