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Premium diamond sharpening stones with 100% diamond concentration and metal-organic bond for modern steels, ceramic knives, and long-lasting sharpening performance.
Diamond abrasive
Designed for modern high-alloy steels, hard steels, and ceramic knives while maintaining long-term sharpening efficiency.
Bond system
The metal-organic bond offers wear resistance close to metal bond while providing a softer and more pleasant sharpening feel.
Concentration
High diamond concentration provides efficient sharpening performance and consistent abrasive action across the full progression.
Grit progression
Care
Hapstone Premium Diamond stones do not require coolant before sharpening.
The working surface can be cleaned with Hapstone Dressing Stone to remove metal particles from the abrasive layer.
Performance
As the abrasive layer wears, new diamond particles are exposed, helping the stone continue sharpening without a noticeable loss in performance.
Hapstone Premium Diamond stones provide an aggressive yet controlled cutting action with a pleasant tactile response that can be compared to water stones.
Recommended finish
For the final finishing stage, use a diamond suspension such as Gunny Juice after the stone progression.
This helps achieve a cleaner, more refined edge after sharpening with the fine diamond stones.
Best for
• Modern super steels
• High-alloy steels
• Ceramic knives
• Full sharpening progression
• Guided sharpening systems
Specifications
