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.
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.