Norton Waterstones are used for sharpening knives on Hapstone and Edge Pro sharpeners. Norton Waterstones are made of aluminum oxide. All Norton stones are mounted on high-quality aluminum blanks.
Norton Waterstones should be used with water as a lubricant. Do not soak Norton Waterstones stones in water. Just splash, or use a water spray. Never store Norton Waterstones stones in water. Never dry Norton Waterstones stones near heat.