CrossFlex Standard Duty Bore Brush 1/2 Diameter 180SC Grit 35/64 in, Abrasive Material Silicon Carbide, 180 Grit, Overall Length 7 7/8 in, Hone Length 2 1/2 in, Medium Grade.
77507 Novoflex Flexible Hone, 0.787" (20mm) Bore Dia, 320 Grit, AO Because of it’s round, abrasive beads fastened to the ends of flexible filaments, it will provide an “edge break” not possible with conventional honing stones..
CrossFlex Standard Duty Bore Brush 15/16 Diameter 320SC Grit 1 1/32 in, Abrasive Material Silicon Carbide, 320 Grit, Overall Length 7 7/8 in, Hone Length 3 in, Extra Fine Grade.