synthetic with the addition of natural materials
Synthetic sharpening stones with added natural materials
Sharpening stones that combine the precision of synthetic abrasive with the gentler character of natural materials. Suitable for kitchen knives, Japanese blades and demanding finishing.
The best of both worlds: synthetic stability and the feel of natural stone
This category stands between classic synthetic stones and natural sharpening stones. It includes KANETSUNE Gokujo-Toishi, KIYA MORIHEI and Nagura cleaning stones for repair, sharpening, honing and polishing.
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Control and gentle stone feel Synthetic abrasive keeps predictable behaviour while the natural addition improves blade contact. |
Suitable for quality kitchen knives They make sense for European and Japanese knives where the edge should be restored and finished well. |
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From coarse restoration to final polishing The category includes #220–#500 repair stones, #1000 base stones and high finishing grits. |
Kanetsune, KIYA Morihei and Nagura The offer includes Kanetsune Gokujo-Toishi, KIYA MORIHEI and Nagura cleaning stones. |
What does synthetic stone with added natural materials mean?
It combines the repeatability of synthetic abrasive with a gentler natural-stone character. The result is controlled sharpening with more pleasant feedback on the blade.
How to choose grit?
For a normally dull kitchen knife, start with #1000. If the edge is damaged, use #220–#500 first. For a finer cut, continue with #3000–#6000. For polishing, use #8000–#12000 only as the final step.
| Grit | Use | Example |
|---|---|---|
| #220–#500 | Coarser repair, faster removal and bevel restoration | Kanetsune #220, KIYA MORIHEI #500 |
| #1000 | Basic sharpening and working bevel restoration | Kanetsune #1000 |
| #3000–#6000 | Honing, smoothing and cleaner kitchen cut | Kanetsune #3000, KIYA MORIHEI #6000 |
| #8000–#12000 | Very fine polishing and final finish | KIYA MORIHEI #8000, #12000 |
| Nagura | Cleaning, slurry creation and surface activation | Nagura FINE and EXTRA FINE |
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Simple rule For a normally dull kitchen knife, start with #1000. If the edge is damaged, use #220–#500 first. For a finer cut, continue with #3000–#6000. For polishing, use #8000–#12000 only as the final step. |
Kanetsune Gokujo-Toishi vs. KIYA MORIHEI
| Range / brand | Character | When to choose it |
|---|---|---|
| Kanetsune Gokujo-Toishi | Practical Japanese stones for #220 → #1000 → #3000 progression. | For repair, base sharpening and honing or the EXPERT set. |
| KIYA MORIHEI | Natural-synthetic stones with a gentler character and high finishing grits. | For softer feel, high finish and #6000, #8000, #12000 stones. |
| Nagura KIYA MORIHEI | Cleaning stones for stone-surface maintenance and slurry creation. | For keeping fine stones active, clean and ready for finishing. |
Selected products in the category
| Product | Suitable use | Price | Link |
|---|---|---|---|
| Profesionální brusný kámen #1000 Kanetsune Gokujo-Toishi | Basic sharpening and working-bevel restoration. | 1 699 Kč | Show |
| Sada brusných kamenů EXPERT včetně diamantového srovnávače a držáku | Complete #220, #1000 and #3000 sharpening progression. | 7 485 Kč | Show |
| Profi brusný kámen #3000 Kanetsune Gokujo-Toishi | Fine honing after #1000 and cleaner cut. | 1 999 Kč | Show |
| Profesionální brusný kámen #220 Kanetsune Gokujo-Toishi | Coarser repair stone for very dull knives. | 2 189 Kč | Show |
| Čistící kámen Nagura KIYA MORIHEI "EXTRA FINE" | Cleaning fine stones and creating slurry. | 899 Kč | Show |
| Čistící kámen Nagura KIYA MORIHEI "FINE" | Cleaning stones and activating the abrasive surface. | 799 Kč | Show |
| Brusný kámen KIYA MORIHEI #8000 - 210x75x25mm | Very fine final honing and finish. | 4 299 Kč | Show |
| Brusný kámen KIYA MORIHEI #500 - 210x75x25mm | Coarser restoration before medium grits. | 1 999 Kč | Show |
| Brusný kámen KIYA MORIHEI #12000 - 210x75x25mm | Very fine polishing and specialised finish. | 3 999 Kč | Show |
| Brusný kámen KIYA MORIHEI #6000 - 210x75x25mm | Fine honing and smoother cut. | 2 999 Kč | Show |
Who are these stones suitable for?
| User / knife type | Recommendation |
|---|---|
| After a common synthetic stone | Kanetsune #1000 or EXPERT set. |
| Japanese kitchen knives | #1000 base, #3000–#6000 honing, #8000–#12000 finish. |
| Very dull or damaged edge | Kanetsune #220 or KIYA MORIHEI #500. |
| Finishing and polishing | KIYA MORIHEI #6000, #8000 or #12000. |
How to use correctly?
Use with water, not oil. Prepare the stone according to the manufacturer. For European knives use about 15–20° per side. Start with the grit according to edge condition and use fine stones only after the basic bevel is created.
What is Nagura used for?
Nagura is a small cleaning stone for renewing the active surface and creating fine slurry. It is an accessory, not a replacement for the main stone.
Care
After sharpening, rinse the stone, let it dry naturally and store it dry. Check flatness regularly and flatten when needed.
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Warning Very fine stones #8000 and #12000 are not first stones for dull knives. Coarse stones #220–#500 remove material quickly, so use controlled pressure. |
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Need help choosing? We will gladly help you choose grit, brand and progression. Customer support: +420 702 049 048, Mon–Fri, 7:30–16:00. |
Frequently asked questions
| Question | Answer |
|---|---|
| What does synthetic stone with added natural materials mean? | It combines the repeatability of synthetic abrasive with a gentler natural-stone character. The result is controlled sharpening with more pleasant feedback on the blade. |
| How to choose grit? | For a normally dull kitchen knife, start with #1000. If the edge is damaged, use #220–#500 first. For a finer cut, continue with #3000–#6000. For polishing, use #8000–#12000 only as the final step. |
| What is Nagura used for? | Nagura is a small cleaning stone for renewing the active surface and creating fine slurry. It is an accessory, not a replacement for the main stone. |
| Care | After sharpening, rinse the stone, let it dry naturally and store it dry. Check flatness regularly and flatten when needed. |
Product sorting
List of products
Kanetsune professional sharpening stone from Gokujo-Toishi series. High quality sharpening stone not only for professionals, on which you will achieve excellent sharpness and a...
Japanese Kanetsune professional sharpening stone from Gokujo-Toishi series. High quality sharpening stone not only for professionals, on which you will achieve excellent...
Japanese Kanetsune sharpening stone from Gokujo-Toishi series. High quality sharpening stone not only for professionals, on which you will achieve excellent sharpness and a...
Japanese sharpening stone KIYA MORIHEI. Synthetic stone with additions of natural materials. Roughness JIS: 8000 .
Japanese sharpening stone KIYA MORIHEI. Synthetic grinding stone with additions of natural materials. Roughness JIS: 500 .
Japanese grinding and dressing stone KIYA MORIHEI. Synthetic stone with additions of natural materials. Roughness JIS: 12000 .
Japanese KIYA MORIHEI grinding stone, synthetic with addition of natural materials. Roughness JIS: 6000 .