nozzle kit contain 75mm spreader nozzle 110048644 / 07021, 39mm reflector nozzle, 9mm reduction nozzle,and plastic welding tip, it fits Steinel heat gun from hl1610s to hg2320esd part# ed15070st to spread hot air over a wide area for drying, stripping paint, shaping plastic, welding tarpaper, etc.. nozzles for all heat guns. 39mm reflector nozzle item no. 110048645 direct hot air around pipes and tubing for even heating. for soldering, bending and shrinking. 9mm reducer nozzle item no. 110050176 provide a concentrated, aimed stream of hot air for precision welding or soldering, and may be used as a base for specialized attachments. for use with electronic heat guns only. plastic welding nozzle item no. 110048648 attachment for 9 mm reducer