Free US shipping · 30-day guarantee · The perfect holiday gift
The Holiday Kitchen Edit

Dull knives?
Just roll.

A rolling knife sharpener with a 20° magnetic angle block, a diamond disc to restore and a ceramic disc to polish. Sharp knives in minutes, no skill needed.

$44.99Free US shipping
Choose your set
✓ Free US shipping✓ 30-day guarantee✓ No electricity needed
LYNVENTA Rolling Knife Sharpener
20° magnetic guideSame angle, every pass
Diamond + ceramicRestore, then polish
Just rollNo water, no cords
Three steps

Sharp again before the water boils.

01

Snap it on

Rest the blade against the magnetic block. The 20° angle is set for you.

02

Roll with diamond

Roll back and forth along the edge to bring a dull blade back to life.

03

Polish with ceramic

Flip the roller and finish with a few passes for a smooth, clean edge.

Before / after

From crushing tomatoes to slicing them.

Rolling knife sharpener on a kitchen counter
Knife edge before and after sharpening
Diamond and ceramic sharpening discs
Works with chef, santoku, utility and paring knives
Up close

Made to live on your counter.

LYNVENTA rolling knife sharpener with magnetic angle block
Rolling knife sharpener on a kitchen counter
Knife edge before and after sharpening
Diamond and ceramic sharpening discs
Works with chef, santoku, utility and paring knives
Compact size for easy drawer storage
Rolling sharpener and 20 degree magnetic angle block

Good to know

Works with straight-edge kitchen knives: chef's, santoku, utility and paring. Not for serrated or ceramic blades. Handle sharpened knives with care.

Questions

How fast will it arrive?

It ships from a US warehouse. Free shipping on every order.

Do I need water or oil?

No. Just place the knife on the magnetic block and roll.

What if I don't love it?

You have 30 days to request a return. See our refund policy for details.