Crimpled Polypropylene Deck Brush 10" With 2" Yellow Bristle Length Wood Block These chemical resistant bristles are ideal for scrubbing any dirt on smooth surfaces. Crimped bristles provide aggressive action. Yellow Bristles. Our tough scrubbing deck brushes are constructed with smooth hardwood block with two tapered handle holes. Ideal for a wide variety of surfaces including decks, patios, driveways, garages, drive-thrus and walkways. Recommended handle NM109060 or NM109560.