Weiler® Wheel Brush, 8 in Brush dia, 5/8 in Face Width, 3/4 in Arbor Hole Size, Standard/Twist Knot Filament/Wire, 0.014 in Filament/Wire dia, Steel Fill, 1-5/8 in Trim Length, 6000 rpm Maximum, Unthreaded Arbor Attachment Weiler® 08138 Wheel Brush, 8 in dia Brush, 5/8 in W Face