16 sets of honing stones for 34 to 60 mm cylinder engine Hone Grit...
64 honing sticks (as shown in the picture). 16 sets of stones combo for 34 to 60 MM cylinder engine hone. 4 set with 4 stones with 120 grit coarse. 4 set with 4 stones with 180 grit. 4 set with 4 stones with 220 grit.