162N Double-sided Diamond Sharpening Stone, 8 in. x 3 in.
- Material Type
- Monocrystalline Diamond
- Item Dimensions L x W x H
- 8.46"L x 3.94"W x 1.93"H
- Item Weight
- 1.4 kg
Check before choosing: Higher initial price point
SHARPAL has 2 researched listings in our catalogue across 1 category; the highest scoring is 162N Double-sided Diamond Sharpening Stone. Figures below are computed only from these listings, which are research reviews of published product information, not hands-on tests.
Buyer ratings combine 55,025 captured Amazon ratings.

Diamond abrasive plates provide a permanently flat surface that never dishes and cuts hard, wear-resistant steels with minimal effort. This double-sided 8x3-inch block eliminates water soaking and slurry cleanup entirely. The scratch pattern is more aggressive than that of equivalent water stones, requiring a disciplined, light hand.

Pull-through sharpeners remove material aggressively and offer limited control over edge geometry. They serve for quick fixes on inexpensive utility blades, but they cannot replace a proper stone progression. Check whether your knives can tolerate pre-set factory angles before using carbide cutters.
| Category | Listings | Avg score |
|---|---|---|
| Knife sharpening | 2 | 7.8 |
Brand alone does not establish compatibility or quality. These are the recorded distinctions, not specifications shared by every SHARPAL product.
Check before choosing: Higher initial price point
Check before choosing: Removes excessive steel from the blade

No. 01 — Sharpening high-hardness steels with zero stone maintenance
Diamond abrasive plates provide a permanently flat surface that never dishes and cuts hard, wear-resistant steels with minimal effort. This double-sided 8x3-inch block eliminates water soaking and slurry cleanup entirely. The scratch pattern is more aggressive than that of equivalent water stones, requiring a disciplined, light hand.

No. 02 — Quick utility blade touch-ups on a budget
Pull-through sharpeners remove material aggressively and offer limited control over edge geometry. They serve for quick fixes on inexpensive utility blades, but they cannot replace a proper stone progression. Check whether your knives can tolerate pre-set factory angles before using carbide cutters.