# Single-sided sharpening stone KAI AP-0304

**URL:** https://aio.lv/en/product--kai-kai-ap304--4182921
**Data updated:** 2026-01-13 21:19 (EET)
**Category:** Knife Sharpeners
**Manufacturer:** Kai
**Manufacturer code:** KAI AP304
**EAN:** 4901601424614
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 40.99 €
**Prices and availability valid until:** 2026-07-16 23:59
**Price without VAT (21%):** 33.88 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--kai-kai-ap304--4182921

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 03.07.2026 | free |
| Pickup points | 08.07.2026 | 1.99 EUR |
| Courier delivery to door | 08.07.2026 | 4.99 EUR |

## Summary description

The KAI AP-0304 is a single-sided sharpening stone designed for precision sharpening of knives. Its durable black and grey surface ensures effective sharpening, while its compact size makes it easy to handle. Ideal for both professional chefs and home cooks, this sharpening stone helps maintain the sharpness of your blades, enhancing their performance and longevity.

## Long description

The Single-sided sharpening stone KAI AP-0304 is a compact sharpening tool designed for controlled edge maintenance of kitchen knives. The stone features a durable black and grey abrasive surface on one side that provides predictable material removal and consistent edge geometry. Its size and single-sided construction make it straightforward to position and to produce repeatable bevel angles, supporting regular upkeep of chef's, utility and paring knives to retain cutting performance and extend blade life.
Advantages
The single-sided abrasive layout concentrates sharpening action on one plane, simplifying angle control and reducing the risk of uneven bevels. The durable black and grey surface offers reliable abrasion while resisting rapid wear, so the sharpening stone stays effective through many maintenance cycles. Compact dimensions and a stable profile mean the stone is easy to handle and store, making it suitable for both professional kitchens and home use.
Suitable for
Regular sharpening of kitchen knives (chef's, utility, paring)
Maintaining a consistent bevel angle during edge repair and touch-ups
Compact workspaces where a small, portable sharpening tool is required
Key specifications
Single-sided abrasive surface with dual-tone black and grey finish
Compact rectangular form factor for controlled handling
Abrasion optimized for precision edge maintenance of stainless and carbon steel blades
Durable construction intended for repeated sharpening cycles
How to use
Place the sharpening stone on a stable, non-slip surface before use. If recommended by the blade manufacturer, soak or wet the stone according to the type of abrasive; otherwise use a few drops of water or light oil to reduce friction and capture metal particles. Hold the knife at the desired bevel angle and draw the blade across the abrasive surface away from the edge in steady, controlled strokes. Repeat the motion an equal number of times on both sides of the blade to form a symmetrical edge, then refine the bevel with progressively lighter passes if needed. After sharpening, clean the blade and the stone to remove residue and dry both components before storage.
Usage recommendations
Use consistent angles and moderate pressure for predictable results. Check the blade frequently during sharpening to avoid over-grinding and to ensure even bevel formation. Store the stone dry in a protected place to maintain its abrasive properties.

## Specifications

| Feature | Value |
|---|---|
| Product colour | Black, Grey |
| Product type | Single-sided sharpening stone |
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Single-sided sharpening stone KAI AP-0304 cost, and is it available for purchase?

The price is 40.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 10 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 03.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Kai products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Kai service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/4182921/58776446_large.webp