Professional Stone

Naniwa Professional Stone series is one the best whetstones available for the hardest knives. Professional Stones are harder than Super Stone. A user will see the difference in the performance of sharpening; the stone cuts faster and wears less. There is no need for daily flattening. The one that I like is the overall feeling during sharpening. 

You do not have to be a Japanese knife owner to use these stones. This stone works exceptionally well with all the knives, but you get most out of it with hard blades.

Professional Stones are Splash and Go stones and only need a small amount of water before sharpening.

From this series, you will find the stone that has been said to be best in its league. That is Naniwa Professional 3000. If you are looking for two whetstones, 800 & 3000 from this series is the one that will not let you down.

Naniwa Professional Stone 400

Professional Stone 400

57,00 €
Naniwa Professional Stone 800

Professional Stone 800

62,00 €
Naniwa Professional Stone 1000

Professional Stone 1000

67,00 €
Naniwa Professional Stone 3000

Professional Stone 3000

99,00 €
Naniwa Professional Stone 5000

Professional Stone 5000

125,00 €


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Contact Information

Alvis Oy (BusinessID FI14988400)
Läntinen teollisuuskatu 23 B
02920 Espoo

Mobile +358-41-4573525

Delivery times

All products listed as “in stock” are in our warehouse and ready to be shipped within the next day.  All products include VAT. Prices are subject to change without prior notice.

The estimated delivery time for EU deliveries is 3-8 business days depending on the destination. Finland is covered in 1-2 business days.

Once your order has been shipped, you will receive a delivery notification.

Payment Methods and Shipment Information

We ship to most of the EU countries. Try out from the checkout page and see are we able to answer your need. 

We accept many local banks through MultiSafepay, major credit card payments, and Paypal.


All payments are made in Euros. You will see the final Euro price in your shopping basket when paying for the product. 

Refund policy

We accept returns of new, unused merchandise within 14 days from the delivery. Please contact us at to receive return information. The customer is responsible for any return costs unless otherwise agreed to with our customer service. We try to return the money with the same payment method that was used to pay for the order.

After we receive the merchandise and verify its re-sellable condition, we will refund the money. Depending on the item this will take 1-3 days after we have received the item. If there is a delay we will contact you.

Damaged Shipment

In the rare occurrence that the shipment has been damaged, please take pictures and send those to our customer service Also, notify the courier bringing you the shipment that it has been damaged.