WI 02509 / 86000700 17" Untrimmed Nylon Scrub Brush for Windsor Floor Scrubbers. Long lasting Nylon filament for everyday scrubbing of tile, sealed concrete, stained concrete, quarry tile, terrazzo, vinyl and painted or epoxy painted flooring. Nylon brushes outlast general duty poly brushes. These special untrimmed Nylon scrub brushes are designed with irregular trim length for scrubbing on grout lines on tile flooring and specialized raised textrue rubber flooring. 17" diameter block includes three mounting lugs. Fits Windsor scrubbers including Saber Compact 17 (Will not fit Compact C17J / C17BJ). For the standard trimmed Nylon brush, use Nylon (WI 02462 / 86000660). One brush required on most models. Replaces Windsor 02509, 8.600-070.0 Our Part Number WI 02509, WI 86000700