Features: Long Flexible Rods: You can choose the length of the rods according to the shape and size of the chimney. Effectively c-lean the chimney from the top to the bottom. Easy To Operate: This machine is easy to install and use. Provide you with the convenience. Superb Nylon Material:Bristle made of high reinforced nylon string. The round stiffer for hard work and the long soft for lint trimming work. Make the c-lean more efficiency. Mechanical Button Lock Design: Chrome coated anti-corrosion. Ensure that it will not loosen in any direction of rotation.