Package includes:8rods X 1m Flexible Rods with connectors1 X Heavy Duty Nylon Bristle Brush Head (40cm)1 X Drill adapter1 X Hex toolApplication:Suitable for both metal flues and brick chimneysSuitable for pipes of different diameter and shapeSuitable for pipes of different length with the help of connecting rodsSuitable for curved pippingAdvantage:1.Brush headHigh density & reinforced nylon rubber composite materials.Apply the most advanced injection technology.Hard wearing, and resist to high impact.Thus the brush head is extremely long lifespan.2. BristleUse helical nylon string, making it more durable.Have a special sharp edged rectangular shape, making the sweep more efficiency.Also it won‘t scratch the inner surface of the chimney flue.With the help of large rotational force, the bristles can remove even the most stubborn build up inside the flue or chimney.3. RodThe rods are made from nylon, durable, elastic and chemically resistant.It has a great degree of flexibility, perfectly gets through those tough flue bends.It's single-pin thread push fitting, no loose during any direction of rotation(clockwise or anticlockwise).How to use:Step 1:Connect the rods one by oneStep 2:Attach the bristle with rodsStep 3:Put the brush into the flueStep 4:Slide the rod into the flueStep 5:Attached the drill with rodStep 6:Start cleaning chimney