Double-Row Wire Wheel Brush Bristle Type Standard Twist Knot Wire Product Type Double-Row Wire Wheel Brush Bristle Material Carbon Steel Brush Dia 12 in Grit Not Applicable Face Width 1 1/4 in Bristle Diameter 0.016 in Bristle Length 2 3/4 in Compatible Tool Type Bench Grinder Primary Material Application Carbon Steel Connector Type Threaded Hole Connector Size 2 in Operating Speed - Maximum 3 600 RPM Shank Length Not Applicable Color Not Applicable