Banded Double-Row Cup Brush, Product Type Cup Brush, Bristle Type Standard Twist Knot Wire, Bristle Material Carbon Steel, Brush Dia. 6 in, Wire Dia. 0.023 in, Bristle Length 7/8 in, Connector Type Threaded Hole, Connector Size 5/8 In.-11, Operating Speed - Maximum 6,600 RPM, Shank Length Not Applicable