Nerrad NTFJ500 fire jet blow torch, plumbing gas torchNerrad NTFJ500 fire jet blow torch, plumbing gas torch Efficiently designed 'after burn' nozzle minimizes residual heat at the tip for safer handling. The nozzle tip can be easily removed to access the solid brass diffuser for cleaning, a useful feature in case of accidental flux or solder ingress while heating a joint from underneath. The brass cylinder connection is corrosion resistant, preventing stripped threads when attaching or removing the gas