HAIDU is one of the highest quality ceramic sharpening stone on the market. They come in many different grits from 250 up to 8000 and 3 different sizes. All of them are very sturdy, even with frequent use, you can use these for years. The stones can be used dry, with oil or water - which is probably the most effective. The stones are the most effective after 2-3 uses.

We enclose a detailed tutorial for your order to use and clean your stones.

Grits: 250, 600, 1000, 3000, 4000, 8000 (+6000 - for deburring)

Ideal for mid or small knives. Easy to carry around even in a backpack.
Size: 157 mm x 38 mm x 15 mm
(6” x 1 3/8” 19/32”)

The stones are made from ceramic, therefore they are fragile. Dropping them might result damage.