Nylon brush head with temperature resistance and anti aging properties for efficient sweeping. Note: it may scratch the internal surface of chimney stacks. The electric drill is not included in the package. Easy to assemble and disassemble. You can connect multiple rods to extend reach. The rods are flexible and can pass through bends in sturdy pipes. Kit contents and specs: available with 6/9/12/15/18 nylon rods, 1 brush head, and a hexagonal rod. Poles come in lengths of 41 cm or 61 cm. Easy to disassemble and reassemble. Compared with conventional cleaning, this power cleaning method can remove more dirt and handle all smoke cabinets, and stainless steel liners are much gentler. Dryer vent cleaning: use this brush to clean dangerous lint, dust and other debris accumulated in the dryer hose and vent, which can improve the dryer's performance and help avoid overheating and fire risk. Use scenarios Home chimney and flue maintenance: clean chimneys, stove flues, and vent pipes with ease, especially through sections with bends where rigid tools struggle. Laundry room vent upkeep: routinely clean dryer vents to reduce lint buildup, improve airflow, and lower fire risk. Industrial or workshop ventilation: reach and scrub ducts and pipes with bends in or around machinery, ensuring clearer passages and better airflow.