End Brush, Product Type End Brush, Quick Change System Not Applicable, Bristle Type Crimped Wire, Bristle Material Brass, Brush Dia. 1 in, Wire Dia. 0.005 in, Bristle Length 7/8 in, Grit Not Applicable, Overall Length 3 in, Compatible Tool Type Die Grinder, Drill, Impact Driver, Pencil Grinder, Straight Grinder, Color Silver, Primary Material Application Brass, Connector Type Shank, Connector Size 1/4 in, Operating Speed - Maximum 20,000 RPM