Cup Brush, Product Type Cup Brush, Quick Change System Not Applicable, Bristle Type Crimped Wire, Bristle Material Brass, Brush Dia. 1 3/4 in, Wire Dia. 0.012 in, Bristle Length 3/4 in, Grit Not Applicable, Overall Length 1 13/16 in, Compatible Tool Type Straight Grinder, Drill, Impact Driver, Pencil Grinder, Color Silver, Primary Material Application Brass, Connector Type Round Shank, Connector Size 1/4 in, Operating Speed - Maximum 13, 000 RPM, Shank Length 1 9/16 in. This item has been restricted from sale in the following state (s): []