End Brush Product Type End Brush Quick Change System Not Applicable Bristle Type Standard Twist Knot Wire Bristle Material Carbon Steel Brush Dia 3/4 in Wire Dia 0.014 in Bristle Length 1/4 in Grit Not Applicable Overall Length 2 1/4 in Compatible Tool Type CNC Machine Color Silver Primary Material Application Carbon Steel Connector Type Shank Connector Size 1/8 in Operating Speed - Maximum 22 000 RPM