The brush wire is made of nylon, which is to high temperatures and aging, not easy to corrode. 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 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 help you achieve professional results. Helper for chimney cleaning and dryer ventilation is needed to extend the life of the dryer and chimney Function: Cleaning Model Number: Brush Kit size: Brush head diameter 10cm Rod length 41cm Material:nylon colour:White + Black Package Contents: 15 x 41cm pole 1 x brush head 1 x hexagonal rod Only the above package content, other products are not included. Note: Light 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.