with slightly rounded edges and a perfectly flat top surface

Synthetic Aoto stones are universal

use the Convex Guide Rod instead

Boride stones should be used with one of these lubricants:

hindostan stone edge pro with slightly rounded edges andHindostan sharpening stones are used for sharpening knives on Hapstone or Edge Pro knife sharpeners. Hindostan stones are mounted on high quality aluminum blanks. Hindostan stones are mined in the state of Indiana in the United States. Hindostan is sandstone with estimated grit 3000 JIS. Hindostan is preliminarily lapped and does not require lapping after purchase. Hindostan stones should be used with water or oil as a lubricant. Hindostan stones may