Wooden roller sharpener with 20° magnetic wedge and 4 discs 400# to 10000#
Black roller sharpener with 15° magnetic wedge and 4 discs 400# to 10000#
Wooden roller sharpener and its 20° wedge on a kitchen worktop
Black roller sharpener and its discs on a marble worktop
Wooden roller and 20° magnetic wedge

Magnetic Roller Knife Sharpener with Diamond and Polishing Discs 400# to 10000#

£61

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Ultra-fast sharpening guaranteed
Locked adjusted angle
-10% with the code WELCOME10
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Free delivery from £45 of purchases

A roller sharpener supplied with 4 discs: diamond 400# and 1000# for sharpening, polishing 3000# and 10000# for finishing. The blade is held by a magnetic wedge while the roller passes over the edge.

Two versions: wood with a 20° wedge, for most kitchen knives, or black with a 15° wedge, for thin blades. A product from the Niiruo brand.

  • 4 discs: diamond 400# and 1000#, polishing 3000# and 10000#
  • Magnetic wedge that holds the blade
  • Fixed angle: 20° (wood version) or 15° (black version)
  • Roller with silicone rings
  • Manual sharpening, no electricity needed

Once your order has been confirmed, it will be processed within 24 / 48 hours. Our delivery times are 8 to 15 working days.

  1. Position the diamond stone
    Place the double-grit plate (400/1000) firmly on its magnetic base. This guarantees a stable base throughout the entire sharpening session.
  2. Set the sharpening angle
    Press the blade against the magnetised support and choose the angle according to your needs: • 15° for a fine and precise edge • 20° for a stronger and more durable edge
  3. Start with the 400 grit
    Pass the blade ten times on each side, starting from the heel to the tip. This step eliminates imperfections and restores the bite to the edge.
  4. Finish with the 1000 grit
    Repeat the same movements in the slot dedicated to the 1000 grit. Around six light passes are enough to smooth and polish the blade until a mirror edge is achieved.
  5. Clean and store your equipment
    Rinse the blade under clean water, wipe it well, then store your sharpener in a drawer or cupboard within reach.
    Pro tip: Do not apply unnecessary pressure. Let the stone do the work to preserve both the blade edge and the longevity of the sharpener.

Unmatched performance and design

Simple sharpening

Fast results

Durable materials

Natural wood or metal

Preserves your blades

Multiplies the life of your blades by 10

Perfect precision

For clean cuts

Four grits to sharpen, then polish

The 400# diamond disc restores a dull blade, the 1000# refines the edge. The 3000# and 10000# polishing discs finish the job for a clean, even edge.

The discs are changed on the roller depending on the step.

Aiguiseur à rouleau bois et sa cale 20° sur un plan de travail de cuisine
Aiguiseur à rouleau noir et ses disques sur un plan de travail en marbre

15° or 20°: choose your version

The 20° wedge of the wood version suits most kitchen knives. The 15° wedge of the black version is designed for thinner blades, such as many Japanese knives.

In both cases, the magnet holds the blade at a constant angle throughout sharpening.

Rouleau en bois et cale magnétique à 20°

Our sharpener at a glance

Simplicity, elegance and performance to revolutionise sharpening.

Your offer

Competition

Compatible with all types of knives

Lasting sharpening efficiency thanks to diamonds

Compact & secure design

Tracked & fast shipping

Sharpening in just a few seconds

Why choose a roller sharpener?

Roller sharpeners offer precise, fast and accessible sharpening for everyone. Thanks to their fixed-angle mechanism, the blade glides naturally against the rollers for a consistent result, with no risk of error.

Whether you are a professional cook or an amateur, it is the ideal solution for restoring a clean edge in just a few seconds, without any particular technique. Efficient, durable and simple to use: it is the best choice for maintaining your knives on a daily basis.

Also discover our Premium Roller Sharpener with 4-grit diamond stones