WI 02405 / 86283820 12" Black Grit Scrub Brush for Windsor Floor Scrubbers. Extremely durable, .050" diameter Hahls or DuPont Tynex-A or Hahls nylon filaments are impregnated with large 80 grit silicon carbide granules. These super grit scrub brushes are great for every day heavy duty scrubbing of unsealed concrete, older sealed concrete, smooth asphalt, concrete decking, and similar hard surfaces with moderate to heavy debris. The large diameter allows these brushes to clean effectively while lasting a long time. Commonly black in color, these .050"/80 grit scrub brushes outlast and replace black stripping floor pads. Listed as 12" Super AGG SD. These brushes should not be used on painted or epoxy painted flooring such as airport hangars, automotive showrooms, and similar delicate flooring surfaces - Use a softer filament such as our .016" diameter level white nylon filament (WI 02403). 11.75" diameter molded plastic brush block. This plastic block includes the Windsor style spring-loaded clutch plate system to attach to the brush drive motor gimbal. We also offer a couple of other grit brush filaments to suit your needs. Please call 800-277-3780 for details. Fits Windsor floor scrubber models including Saber 24 (SS24), Saber Glide 36, Chariot iScrub 24 and others. Windsor manuals usually contain two to three different with models contained in one manual. Please check your manual / brush block diameter before ordering. Two or three scrub brushes may be required per unit. Priced Each. Replaces Windsor 02405, 8.628-382.0. Our Part Number WI-02405, WI-86283820