Coated Cup End Brush Product Type Coated Cup End Brush Quick Change System Not Applicable Bristle Type Crimped Wire Bristle Material Carbon Steel Brush Dia 3/4 in Wire Dia 0.006 in Bristle Length 7/8 in Grit Not Applicable Overall Length 2 7/16 in Compatible Tool Type Straight Grinder Color Silver Primary Material Application Carbon Steel Connector Type Shank Connector Size 1/4 in Operating Speed - Maximum 22 000 RPM