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Ships within 48 hours · Estimated delivery Aug 20 - Aug 25
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Description
Hapstone OptimalHapstone Optimal Sharpening Stones Reliable water stones for controlled sharpening of EDC, kitchen, and outdoor knives up to 62 HRC. Abrasive Aluminum oxide Hapstone Optimal stones use aluminum oxide abrasive with a vitrified bond for stable sharpening performance. Use For everyday knives Designed for sharpening EDC, kitchen, and outdoor blades with steel hardness up to 62 HRC. Result Controlled metal removal The stones provide an even scratch
Hapstone Optimal Sharpening Stones
Reliable water stones for controlled sharpening of EDC, kitchen, and outdoor knives up to 62 HRC.
Abrasive
Aluminum oxide
Hapstone Optimal stones use aluminum oxide abrasive with a vitrified bond for stable sharpening performance.
Use
For everyday knives
Designed for sharpening EDC, kitchen, and outdoor blades with steel hardness up to 62 HRC.
Result
Controlled metal removal
The stones provide an even scratch pattern, low clogging, and fast, controlled steel removal.
Use and maintenance
Water only. No oil.
Soak the stone for 2–3 minutes before use and spray water during sharpening when needed.
Use water only. Oil is not recommended for these stones.
The stones are easy to clean, pre-lapped, and ready to use.
Grit conversion
FEPA, JIS, and micron reference
Use this chart to compare Hapstone Optimal FEPA grit ratings with approximate JIS and micron equivalents.
Open grit conversion table +
| FEPA | JIS | Microns |
|---|---|---|
| F220 | #250 | 50 µm |
| F400 | #600 | 20 µm |
| F500 | #1000 | 10 µm |
| F1000 | #3000 | 5 µm |
| F1200 | #4000 | 3 µm |
Specifications
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy