Swobbit 7-1/2" Deck Brush Aqua Blue, Stiff #SW77355. Stiff for aggressive cleaning of decks, non-skid and rough surfaces. Not for high gloss areas. Molded poly block is not affected by mold, mildew, chemicals, UV or salt. Utilizes up to 40% more bristles and a wider flare for more efficient cleaning. Premium quality bristles, corrosion resistant wire & wrap around safety bumper.