From Amazon
Steinel 70915 Welding nozzle, for 6 mm plastic welding rods, attachable to the 9 mm reduction nozzle, heat gun accessory
ITS
Steinel Speed Welding Nozzle For Use With HL Models
Conrad Electronic
Steinel 070915 Welding nozzle Suitable for (hot air nozzles) Steinel HG 2120 E, HG 2220 E, HG 2320 E, HG 2000 E, HG 2300 E, HG 2310 LCD, HL 2020 E, HL 1920 E,