Based on this product's specifications, here are some alternatives and similar models
Blind rivet nut tool GESIPA FireFox M5 nozzle for M6 rivet nuts
Summary description:
GESIPA FireFox replacement M5 nozzle designed for use with the GESIPA FireFox blind rivet nut tool and M6 rivet nuts. This nozzle fits the specified tool model and provides correct seating and installation of M6 rivet nuts, ensuring consistent performance during fastening tasks. Suitable for workshop and on-site assembly where blind rivet nuts are required.