Based on this product's specifications, here are some alternatives and similar models
Welding Shoe Steinel 070915 — heat-resistant protective cover for hot-air tools
Summary description:
Steinel Welding Shoe 070915 is a heat-resistant protective cover designed for use with Steinel hot-air tools. It fits over the tool outlet to concentrate and shape hot air flow for welding, shrinking and precise heating tasks. Durable construction protects surrounding areas and helps direct heat for controlled processing of plastics, tubing and similar materials.