Naniwa products are among the best water stones for sharpening, offering top-notch sharpening properties.

The Chosera Pro series stones are premium-grade sharpening stones with excellent features, known for their minimal wear and high sharpening efficiency. The dimensions of Chosera Pro stones are 210x70x20 mm, making them ideal for sharpening longer knives.

Chosera Pro are "splash" type water stones, and they DO NOT need to be soaked in water before use. Simply spray a small amount of water on the surface of the stone before sharpening. Additional water can be sprayed on the stone during the sharpening process as well.

Choose the correct stone based on the condition of the knife being sharpened. For the best results, it is recommended to sharpen with 2 to 3 different grit stones:

Coarse sharpening, restoring chips and geometry: #220, #400
Daily sharpening for slightly dull knives: #800, #1000
Daily preventive polishing: #2000, #3000
Polishing after daily sharpening: #5000, #8000
Mirror polishing: #10000, #12000