Wire Wheel Brush, Wire Wheel Brush, Bristle Type Crimped Wire, Brush Dia. 3 in, Mounting Type Shank, Arbor Hole Size No Arbor, Abrasive Shank Size 1/4 in, Wire Dia. 0.008 in, Bristle Trim Length 1 in, Abrasive Material Carbon Steel, Face Width 5/8 in, Max. RPM 20,000 RPM, For Use With Right Angle Grinders, Vertical Shaft Portable Grinders