Cup Brush, Bristle Type Standard Twist Knot Wire, Product Type Cup Brush, Bristle Material Carbon Steel, Brush Dia. 4 in, Grit Not Applicable, Bristle Length 1 1/8 in, Compatible Tool Type Right-Angle Grinder, Connector Type Threaded Hole, Connector Size 5/8 In. -11, Operating Speed - Maximum 9, 000 RPM, Shank Length Not Applicable, Color Not Applicable, Series Gemini. This item has been restricted from sale in the following state (s): []