Say goodbye to blunt knives | Marketron
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StoneKit, a double-angle knife sharpening tool

254+ reviews
Make old knives sharp again
🔪 Quick sanding
✨ Two angles (15°/20°) for precision sanding
🧲 Stable magnetic grip
⏱️ Easy to use
👍 Suitable for beginners
1× 23.99 € per piece
2× Most popular −13% 20.99 € per piece
3× Best Value −25% 17.99 € per piece
23.99 €
(23.99 € / per piece)
In stock Order today for quick delivery!
🚚 Fast tracked delivery
💵 Cash on delivery available
📦 Shipped from EU warehouse

Say goodbye to blunt knives

Blunt knives make it harder to prepare food and increase the risk of slips. With StoneKit, you can restore sharpness to your knife in moments. Thanks to the double angle, you can adjust the sharpening to your cooking habits and bring the knife back to sharpness with every cut.
Say goodbye to blunt knives
One accessory for all your favourite knives

One accessory for all your favourite knives

If you have different types of knives in your kitchen, finding the right sharpener can quickly become tedious. This roller system provides a uniform, smooth motion that adapts to both thin and sturdier blades. The magnetic holder keeps the blade stable while sharpening, giving you a feeling of total control.

Handy in any kitchen

The focuser is designed so you can always have it to hand without taking up too much space. Because it is simple to operate and requires no prior knowledge, it is an excellent choice even for beginners who want to quickly restore knife sharpness.
Handy in any kitchen

What customers are saying

★★★★★ 4.9 · 254 reviews
A
Anna
★★★★★

Before, it was always my husband who sharpened the knives, but now it's me.

· 👍❤️37
R
Robert
★★★★★

The magnet holds the knife in place and makes it really sharp.

· 👍❤️16
T
Thomas
★★★★★

I use it for all my knives.

· 👍❤️38
M
Max
★★★★★

I use it for all my knives.

· 👍❤️5
M
Maria
★★★★★

Finally, sharpening my knives is not a problem.

· 👍❤️19
J
James
★★★★★

Works great

· 👍❤️20
E
Emma
★★★★★

Before, it was always my husband who sharpened the knives, but now it's me.

· 👍❤️41
J
Julia
★★★★★

It suits me very well because it restores the sharpness of my kitchen knives in a minute.

· 👍❤️40
M
Michael
★★★★★

Works great

· 👍❤️5
M
Michael
★★★★★

The magnet holds the knife in place and makes it really sharp.

· 👍❤️39
J
Jana
★★★★★

Finally, sharpening my knives is not a problem.

· 👍❤️44
J
Jana
★★★★★

It suits me very well because it restores the sharpness of my kitchen knives in a minute.

· 👍❤️25

In the Package:

  • In the Package: 1x Knife Sharpener
  • Dimensions: 14x12x6 cm
  • Technical specifications: Magnetic holder for 15° and 20° sharpening, diamond grinding disc (#400, #1000)

Warning:

  • Warning: Suitable for sharpening knives only; keep out of reach of children because of the sharp edges of the blades.

In the Package:

  • In the Package: 1x Knife Sharpener
  • Dimensions: 14x12x6 cm
  • Technical specifications: Magnetic holder for 15° and 20° sharpening, diamond grinding disc (#400, #1000)

Warning:

  • Warning: Suitable for sharpening knives only; keep out of reach of children because of the sharp edges of the blades.