De-soldering pump PTFE Nozzle has super sucking ability & used to de-solder the solder or to remove the solder from the object or components. De-soldering is the removal of solder and components from a circuit for troubleshooting, for repair purposes, and to salvage components. Electronic components are often mounted on a circuit board, and it is usually desirable to avoid damaging the circuit board, surrounding components, and the component being removed.