King Deluxe Whetstone JIS #300 – Non-Soaking

Product detailed description

Japanese Water Whetstone King Deluxe JIS #300, Non-Absorbent

The King Deluxe #300 whetstone, measuring 207x66x34 mm, is an ideal choice for basic shaping and repairing severely damaged blades. The JIS #300 grit ensures rapid material removal, facilitating edge alignment and blade restoration for knives, cleavers, or chisels. This model is non-absorbent, meaning it doesn't need pre-soaking in water – simply moisten the surface lightly and you can start sharpening immediately. This is particularly appreciated by professionals and hobby users who need a quick start and efficient sharpening without waiting. The King Deluxe #300 whetstone is made from a synthetic abrasive material – aluminium oxide (corundum). This material boasts high hardness and uniform removal, ensuring efficient and controlled sharpening even on harder steels. The binder is designed to provide optimal hardness and stone life while maintaining a uniform grit structure. This makes the stone ideal for coarse repairs and blade shaping on both kitchen and craft tools.

The Japanese brand King is a legend among whetstones – combining quality, reliability and longevity at an affordable price. The stone is also suitable as a first step in a multi-stage sharpening system.

You can find sharpening and whetstone maintenance accessories in the section Sharpening Accessories.

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Knife sharpening course

We regularly hold knife sharpening courses for beginners, where we teach you how to sharpen stones using the traditional Japanese method.

How to Properly Sharpen Knives on a KING Sharpening Stone

1. Navlhčení kamene
Before sharpening, simply moisten the stone. Throughout the entire process, the stone should remain damp – re-wet it whenever it starts to dry out.

2. Zajištění stability
Place the stone on a flat and stable surface. To prevent slipping, you can place it on a damp cloth, rubber mat, or paper towel.

3. Nastavení úhlu ostření
Hold the knife at an angle of approximately 15–20 degrees to the surface of the stone. This angle is ideal for most kitchen knives and ensures optimal sharpness and edge durability.

4. Sharpening itself

For single-bevel knives (e.g., some Japanese models): Sharpen mostly on one side – dedicate 90% of the time to the main side and 10% to the opposite side.

For double-bevel knives: Sharpen evenly on both sides of the blade to maintain symmetry and sharpness.

5. Odstranění otřepů
After sharpening, fine burrs may form on the edge of the blade. To remove them, hold the knife perpendicular to the stone and lightly run the entire length of the edge several times – alternating between one side and the other.

Whetstone maintenance

After sharpening, rinse the stone with clean water to remove any metal residue and allow it to air dry completely (not on a radiator).

If depressions or unevenness develop on the stone over time, level them using a flattening (flattening) stone, to maintain a smooth and even surface for future sharpening.