EARLY BLACK FRIDAY IS ON. 25% OFF SITEWIDE.

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America's #1 Rolling Knife Sharpener

25% OFF SITEWIDE
EARLY BLACK FRIDAY

Shop best sellers & gift sets before they sell out.

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Test-Tumbler Original Diamond Rolling Knife Sharpener Set box beside a wooden tumbler
25% OFF

Tumbler Original

$129
Tumbler Pro Starter Set | Holiday Edition
25% OFF

Pro Holiday Starter Set

+1 style
$315
Pro Rolling Knife Sharpener | Green Falcon
25% OFF

Tumbler Pro

+11 styles
$159
Tumbler Original Starter Set | Holiday Edition
25% OFF

Original Holiday Starter Set

+1 style
$207
Forest green Tumbler Pro Bundle Diamond Rolling Knife Sharpener set with gray sharpening discs
25% OFF

Pro + Disc Bundle

+3 styles
$219
Open orange zip case showing Tumbler Mini Sharpening Set with wooden sharpening pieces inside a black padded interior
25% OFF

Tumbler Mini

$98
Orange Tumbler box with logo resting in torn kraft paper packaging with string
25% OFF

Complete Knife Set Bundle

$214

KNIFE SHARPENING. MADE SIMPLE.

A GIFT THEY'LL ACTUALLY USE

Easy to use. Easy to gift. Extended holiday returns.

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GET TUMBLER. SAVE 25%.

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Frequently Asked QUestions

Which Tumbler should I gift?

Tumbler Original for everyday cooks. Tumbler Pro for knife enthusiasts. Our Holiday Gift Sets make gifting even easier.

Will it sharpen my knives?

Yes! Most kitchen knives, including Japanese and stainless steel. Not for serrated or ceramic blades.

Can I return holiday gifts?

Absolutely. Orders placed between November 1 and December 31, 2026, can be returned through January 31, 2027. Plus, our sharpeners come with a lifetime warranty.

Is Tumbler easy to use?

Absolutely. Attach your knife, roll to sharpen, and hone. No experience needed.