The brush wire is made of nylon which is resistant to high temperatures and aging.The brush rod adopts a smooth connecting rod which is flexible and convenient to clean, and has a long service life.high flexibility perfect for getting through the fireplace bends. Single pin thread adjustment, no play in any direction of rotation.This efficient dryer vent brush can be used with or without an electric drill and will help you achieve professional results. Helper for chimney cleaning and dryer ventilation is needed to extend the life of the dryer and chimneyType: Power Tool PartsModel Number: Cleaning Tool KitUsage: Commercial ManufactureCleaning Tool Kit: Universal Brush SetChimney Brush: Electrical Drill DriveHousehold: Universal Chimney Brush BoilerCleaning Dryer Duct: Cleaning Brush KitFunction: CleaningModel Number: Brush Kitsize:Brush head diameter 10cmRod length 41cmMaterial:nyloncolour:Orange & White BlackPackage Contents1 x Chimney Brush1 x Connector15 x 41cm pole1 x brush head1 x hexagonal rodOnly the above package content other products are not includedNote Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.