Wire Wheel Brush Bristle Type Standard Twist Knot Wire Product Type Wire Wheel Brush Bristle Material Stainless Steel Brush Dia 4 in Grit Not Applicable Face Width 1/2 in Bristle Diameter 0.014 in Bristle Length 7/8 in Compatible Tool Type Die Grinder Primary Material Application Stainless Steel Connector Type Round Shank Connector Size 1/4 in Operating Speed - Maximum 20 000 RPM Shank Length 1/4 in Color Not Applicable