Pferd Advance 82220 Knotted Wire Cup Brush, 2-3/4 Inch Inch
Amazon.com: TILAX Wire Wheel Brush Cup Brush, Twisted Knotted Cup Brush for Grinders, 5/8 Inch-11 Threaded Arbor, 0.020 Inch x 3 Inch for Heavy Cleaning Rust, Stripping and Abrasive, for Angle Grinder :