Cup Brush Product Type Cup Brush Quick Change System Not Applicable Bristle Type Standard Twist Knot Wire Bristle Material Stainless Steel Brush Dia 4 in Wire Dia 0.014 in Bristle Length 1 1/4 in Grit Not Applicable Overall Length 3 11/16 in Compatible Tool Type Right-Angle Grinder Color Silver Primary Material Application Stainless Steel Connector Type Threaded Hole Connector Size 5/8 In.-11 Operating Speed - Maximum 10 200 RPM Shank Length Not Applicable