Product description The chain flail head is a carbide-tipped special tool designed for the toughest blockages such as cement, urine, and limescale in wastewater pipes. Application advantages: For cleaning greasy and encrusted pipes, gentle final cleaning of ceramic and plastic pipes, improved maneuverability without a guide ring. Area of use: To be used with 22 mm pipe cleaning spirals for cleaning greasy and encrusted pipes and for breaking up the toughest blockages caused by cement, urine, and limescale.