CrossFlex Heavy Duty Bore Brush 4 Diameter 120SC Grit
31 in, Abrasive Length 6 1/2 in, Overall Length 13 1/2 in, Abrasive Material Silicon Carbide, Grit 120, Compatible Tool Type Drill, Drill Press, Operating Speed - Maximum 600 RPM, Primary Material Application Steel, End Marking Color Green, Grade Coarse, Stem Length 7 in.Flexible Cylinder Hone, Compatible Bore Diameter - Maximum 4 in, Compatible Firearm Caliber Not Applicable, Stem Diameter 0.