WI 02463 / 86000670 17" .050"/80 Grit Abrasive Bristle Scrub Brush for Windsor Floor Scrubbers. Long lasting DuPont Tynex-A or Hahls silicon carbide impregnated filament for heavy duty scrubbing of unsealed concrete, tile, and for stripping jobs on sealed concrete. Not recommended for painted or epoxy painted flooring. 17" diameter block includes three mounting lugs. Fits Windsor scrubbers including Saber Compact 17 (Will not fit Compact C17J / C17BJ). We also offer this brush in various grades of grit from super abrasive .070"/46 grit to .018"/500 soft grit. Please call for details. One brush required on most models. Replaces Windsor 02463, 8.600-067.0. Our Part Number WI 02463, WI 86000670