Hitachi 729210 3-Inch Crimped Mini Grinder Cup Brush with Guard Made for light duty removal and a finer finish on the work surface Protective guard shields users from debris Lasts 15 to 20-percent longer than competitive brushes Multi-thread arbor allows one brush to fit both 5/8-inch-11 and M14 by 2.0-arbors Comes with a 30-day limited warranty Made of high carbon tempered steel Removes paint, rust and corrosion Protective guard for longer life Twists on tighter than other brush attachments Comes with a 30-day limited warranty