During break-in period (no lapping)

CS-HD series stones are made of silicon carbide and are designed for the hardest steels (up to 63 HRC)

Diamond Compound consists of synthetic diamond powder

tool-like appearance

Venev Orion Series Bonded Diamonds are used for sharpening knives on Hapstone

planeshift clamps upgrade for work sharp professional precision adjust Variation:RS Wholemilled Angled Clamps During break-in period (no lapping)Hapstone PlaneShift Series includes components of Hapstone RS adopted for other sharpening systems. Single clamp knife sharpeners have consistently been less adaptable than multi clamp systems when sharpening various blades, for instance, fillet knives. The Planeshift Clamps Upgrade is a dual clamp solution for Work Sharp Professional Precision Adjust knife sharpeners.