Boride Sharpening Stones are used for sharpening knives on Hapstone Pro sharpeners. Boride offers a wide range of stones with different performance values and different rates of wear. Orange EDM series...
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...
