Description: Use the high quality of diamond and CBN abrasives from Diamond Innovation. Standard Grit Size from D251,D213,D181,D151,D126,D107,D91,D76, D64,D54,D46,D35,D20,D15. We provide super abrasive diamond and CBN honing stone for honing machines of almost all renowned honing brands. (Sunnen, Nagel, Belden, AccuCut, Engis, and other types of high-production honing equipment).Our diamond and CBN honing stones are available for precision bore finishing. Bond type: Metal Bonded.