Hapstone Ruby Ceramic Extra Fine Stone Extremely hard ceramic sharpening stone designed for edge refinement and fine finishing with minimal wear over time. Hard ceramic Exceptional durability Extremely hard alumina...

Idahone Ceramic Fine Sharpening Stone Extremely hard 99.5% alumina ceramic stone for refined sharpening and fine edge finishing on Hapstone knife sharpeners. Ceramic abrasive 99.5% alumina Made with top-quality alumina...

Idahone Ceramic Medium Sharpening Stone Extremely hard 99.5% alumina ceramic stone for sharpening knives on Hapstone systems, supplied lapped and ready to use. Ceramic abrasive 99.5% alumina Made with top-quality...

Idahone Ceramic Sharpening Stone Extremely hard alumina ceramic sharpening stone for Hapstone knife sharpeners, ready to use straight out of the box. Ceramic abrasive 99.5% alumina Ultra-fine Idahone Ceramic stones...

Hapstone Fine Ceramic Fine ceramic sharpening stone designed for edge refinement and clean finishing after more aggressive abrasives. Finishing Fine edge refinement An excellent next step after the Hapstone Start...