Steel Wire with PVC PipeThis upgraded drain brush with high toughness, no damage and scratch to the soft rubber sunroof pipe. Works safer and faster on dredging obstruction in various of thin long pipelines. Nylon Rotating BristlesOne end of this drain cleaning brush is the tubular shaped brush, well made of nylon rotating bristles, soft and scratch free. Helps you gently remove the leaves, dirt, cobwebs and debris, can be reused for a long term. Practical Hand Ring DesignThe other end of this hose pipe brush is a hand ring, designed for easy extraction. You don't need to worry about the pipe cleaner brush falling into the hose and not being taken out, more convenient for holding and energizing. Wide ApplicationThis flexible drain brush is perfect for car sunroof, auto wiper, fuel tank drain hole, car door drain hole, skylight drain pipe and so on. Also ideal for refrigerator drain cleaning, fish tanks cleaning, hose or glass tubes cleaning, water pump accessories cleaning, filter systems cleaning, etc. Perfect solution on dripping and clogging problems.