Extendable and Durable – Includes 2 high-quality synthetic brush heads and 18 flexible, durable rods extending up to 24 feet. High-Quality Construction – This dryer vent cleaning kit brush is made of robust, long-lasting nylon that will last for years. Highly flexible, bendable, and reusable. Drill Attachment for Faster Cleaning – Each dryer vent cleaning kit comes with a drill attachment so you can attach it to a drill for faster cleaning. Highly Effective and Easy to Use – Effortlessly glides around corners and bends. This professional dryer vent cleaning kit can be used with or without an electric drill. Save Money – Regularly cleaning your dryer vent can prevent house fires and save you money on your energy bill. Material: Nylon + Plastic Color: Black + Silver Package Contents: 2 x Synthetic Brush Heads 18 x Flexible Rods 1 x Drill Attachment Note: 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.