Brush Research BNH-12 .020CS STD KNOTTED WIRE END BRUSH

BRM BNH-12, STD KNOTTED WIRE END BRUSH, .020 Carbon Steel Wire, 1-1/8″ Diameter, 7/8″ Trim, Max Safe Free Speed(RPM): 20,000Standard knotted wire end brushes are more aggressive than solid end brushes. Uses include removing carbon from heads and porting applications.