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...