Weiler® 08014 Wire Wheel Brush, Knotted, Standard Twist, Diameter: 3 Inch, Face Width: 3/8 Inch, Wire Size: 0.014 Inch, Trim Length: 5/8 Inch, No. of Knots: 20, Arbor Size: 1/2 - 3/8 Inch, Max. RPM: 25000, Filament Material: Steel