Wire Wheel Brush Bristle Type Standard Twist Knot Wire Bristle Material Carbon Steel Brush Dia 4 in Grit Not Applicable Face Width 1/4 in Bristle Diameter 0.02 in Bristle Length 3/4 in Compatible Tool Type Angle Grinder Connector Type Threaded Hole Connector Size 5/8 In.-11 Operating Speed - Maximum 12 500 RPM Shank Length Not Applicable Color Not Applicable