Chimney sweep mast - Total length: 7 meters. -Includes 5 sections of 1.40 cm. -Diameter: 20 mm. -Male/female connection with M12 thread - Made of polypropylene. -Replacement heads in the following references: - 22020700: nylon chimney sweep brush flexible shaft 8 cm. -22020705: nylon chimney sweep brush flexible shaft 100 mm. -22020710: nylon chimney sweep brush flexible shaft 120 mm. -22020750: 150 mm nylon chimney sweep brush. -22020755: 200 mm nylon chimney sweep brush. -22020760: 250 mm nylon chimney sweep brush.