PFERD 82316 Wire Wheel Brush, Crimped, Diameter: 4 Inch, Face Width: 1/2 Inch, Wire Size: 0.014 Inch, Trim Length: 11/16 Inch, Arbor Size: 5/8-11 UNC, Max. RPM: 12500, Mounting: Threaded, Filament Material: Stainless Steel