End Brush Product Type End Brush Quick Change System Not Applicable Bristle Type Crimped Wire Bristle Material Carbon Steel Brush Dia 1 in Wire Dia 0.01 in Bristle Length 3/8 in Grit Not Applicable Overall Length 3 in Compatible Tool Type CNC Machine Color Silver Primary Material Application Carbon Steel Connector Type Shank Connector Size 1/4 in Operating Speed - Maximum 22 000 RPM