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Expand the capabilities of your Hapstone S4 with the Convex Adapter. Designed for precise and consistent convex sharpening, this compact accessory helps create durable, razor-sharp edges with smooth cutting performance.
Convex Settings
Choose from 0°, 2.3°, 4.6°, or 7° to achieve the desired convex edge geometry.
The four fixed settings provide consistent, repeatable results, allowing you to customize the edge profile for different knives and cutting tasks.
System Compatibility
Developed specifically for the Hapstone S4 knife sharpening system, the adapter expands its functionality while maintaining the system's compact design.
Easy Installation
The Convex Adapter integrates into the Hapstone S4 sharpening system, making it easy to switch from conventional sharpening to convex edge sharpening.
Its straightforward design allows users to explore different edge geometries with minimal effort.
Why Convex Sharpening?
Convex sharpening creates a slightly rounded, lens-shaped edge that combines cutting performance with increased durability.
Improved Edge Durability: Helps resist chipping and maintain sharpness longer.
Smoother Cutting Performance: The curved edge profile promotes smooth cutting through various materials.
Versatile Sharpening: Ideal for kitchen knives, hunting knives, outdoor blades, and everyday cutting tools.
