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Reliable full-size water stone for EDC, kitchen, and outdoor knives with steel hardness up to 62 HRC.
Abrasive
A reliable water stone made with aluminum oxide abrasive and vitrified bond.
Steel range
Suitable for sharpening EDC, kitchen, and outdoor blades with steel hardness up to 62 HRC.
Result
Provides an even scratch pattern, low clogging, and fast controlled metal removal.
Use
Use Hapstone Optimal Bench Stone with water only. Do not use oil.
Soak the stone for 4–5 minutes before use and spray water during sharpening to keep the working surface active.
The stone is easy to clean, pre-lapped, and ready to use.
Grit conversion
| FEPA | JIS | Microns |
|---|---|---|
| F220 | #250 | 50 µm |
| F400 | #600 | 20 µm |
| F500 | #1000 | 10 µm |
| F1000 | #3000 | 5 µm |
| F1200 | #4000 | 3 µm |
Specifications
