A reliable water stone designed for sharpening knives with steel hardness up to 62 HRC. Suitable for EDC, kitchen, and outdoor blades.   Abrasive: Aluminum Oxide Bond: vitrified Lubrication: Water only (no oil) Use: Soak 2–3...

Silicon Carbide Sharpening Stones are used for sharpening knives using Hapstone  sharpeners. The stones are made of silicon carbide and are designed for the hardest steels (up to 65 HRC). The...

Aluminum Oxide Sharpening Stones are used for sharpening knives using Hapstone knife sharpeners. The stones are made of aluminum oxide and are designed for soft or medium steels (up to 59...