Set Including Rods And Brushes.It is Very Suitable for Cleaning Chimneys from Top to Bottom or Through Fireplaces Cleaning the Stoves by OneselfIt Can Be Used with Electric Drill. With the Help of Large Rotating Force Brushing Can Even Remove the Most Stubborn Accumulation in Flue or Chimney. It Helps to Prevent Flue FireThe Brush Head is Made of Nylon Material Which Has High Temperature Resistance Anti-aging Non-corrosive and Higher Sweeping Efficiency. In Addition It Will Not Scratch the Inner surface of the Chimney FlueEasy to Assemble and Disassemble You Can Connect Multiple Rods to Extend Your Reach. The Rods Are Flexible and Can Perfectly Pass Through Those Hard Flue Bends Specifications:Rod Length (Single): 410mm/1.35ft(Approx)Brush Head Diameter: 4(Approx)Rod Quantity: 8pcs BrushHead Quantity: 1pc *BrushHeight: 35mm/1.37(Approx)How to Use:Step 1: Connecting Rods One by OneStep 2: Connect the Brush Bristles with a BrushStep 3: Put the Brush into the FlueStep 4: Slide the Rod into the FlueStep 5: Connect the Drill Bit with a RodStep 6: Start Cleaning the Chimney