Honing stones includes: K3,K4,K5,K6,K8,K10,K16,K20,P20,P28,Y10,Y16,Y20,Y32,Y56,YY48,Y44,BL serise, AK serise,
and multi-stones with 4 or 6pcs on the holder.
Same types as Sunnen company.
In different grit size and material: S/C, A/O, CBN, Diamond