WI 02411 / 86283830 13" .050"/80 Black Grit Abrasive Bristle Scrub Brush for Windsor. Our second most aggressive scrub brush in this series (We can offer these in .065"/46 Grit. Please make note in special instructions at checkout). Heavy duty .050" diameter nylon filaments are impregnated with 80 grit silicon carbide granules. These brushes are used for heavy duty scrubbing and stripping jobs. Fits Windsor Chariot iScrub 26, Saber Scrub 26 (SS26), and Saber Cutter 26. Not commonly used on the iScrub 26 (the Mid Grit is the heaviest grit brush listed). Two brushes required per unit. Priced Each. Replaces Windsor 02411, 8.628-383.0. Our Part Number WI 02411