Based on this product's specifications, here are some alternatives and similar models
Round Nozzle 5 mm for Steinel heat gun — replacement nozzle compatible with model 070467
Summary description:
Round nozzle 5 mm designed for use with Steinel heat tools as a replacement or accessory for model 070467. This metal nozzle focuses hot airflow into a concentrated 5 mm outlet for precise heating, shrinking, or soldering tasks. Useful for detail work, spot heating, and narrow areas where controlled, directed heat improves accuracy and reduces risk to surrounding surfaces.