Wire Wheel Brush, Bristle Type Standard Twist Knot Wire, Product Type Wire Wheel Brush, Bristle Material Carbon Steel, Brush Dia. 4 in, Grit Not Applicable, Face Width 5/16 in, Bristle Diameter 0.014 in, Bristle Length 7/8 in, Compatible Tool Type Die Grinder, Drill Press, Pencil Grinder, Straight Grinder, Connector Type Threaded Hole, Connector Size 5/8 in, Operating Speed - Maximum 20, 000 RPM, Color Not Applicable, Series Gemini. This item has been restricted from sale in the following state (s): []