Convex Mini-Adapter for knife sharpening, compatible with Hapstone R2 and V8 sharpener are easily fitted to the abrasive holder using an internal fixing screw, requiring a 3mm screwdriver. They provide maximum sharpening angle offsets...

Hapstone Gift Card — The Perfect Gift for Knife Enthusiasts   Looking for a gift but not sure which sharpening system or accessory to choose? A Hapstone Gift Card is...

The Hapstone Universal Screwdriver is a compact, durable tool designed for everyday use and full compatibility with all Hapstone sharpening system families — R2, RS, V8, and S4, as well as their...