Bethesda Black is preliminarily lapped and does not require lapping after purchase

Soapy water

For more information

F80 to F 400 utilize legacy binder

and then polished

hindostan stone kme Bethesda Black is preliminarily lappedHindostan sharpening stones are used for sharpening knives on KME and Hapstone knife sharpeners. 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 have dark spots and slight natural imperfections.