SplashTech 17-inch Aluminum-Back Curved Pool Wall Brush Head for Standard 1.25" Telescoping Poles Hardened ABS plastic that's built for scrubbing Reinforced with aluminum for strength and longevity Durable nylon bristles are tough on grime but soft on vinyl pool liners Great for walls, floors, and steps, with a handy bowed design to get in tight corners Quickly snaps on and off standard 1.25" telescoping poles