Based on this product's specifications, here are some alternatives and similar models
Angle Flat Nozzle Steinel model 110037581 — compatible attachment for heat tools
Summary description:
Angle Flat Nozzle Steinel 110037581 is a compatible replacement nozzle designed for use with Steinel heat tools. The angled flat profile directs hot air precisely, making it suitable for targeted heating tasks such as shrink tubing, paint removal, or localized drying. Easy to attach and remove, it provides controlled airflow for accurate work in tight or angled spaces.