Seachoice - Deck Brush With Standard Threaded Hole - Medium Bristles - 90581. Impervious to exposure to UV rays, cleaning agents, and weather. The bumper edges help prevent scuff marks. A built-in thread adapter sized for standard brush handles (3/4" thread diameter).. Features:. Size - 6". Bristles - Soft. Fits standard-sized threaded handles. Flared bristles and angled head. Peg hook style packaging option