Based on this product's specifications, here are some alternatives and similar models
Blade 140 mm Topex 11A409 for scraper 11A406
Summary description:
Replacement 140 mm blade Topex 11A409 designed for use with scraper model 11A406. Metal cutting/stripping blade sized for precise scraping and material removal. Suited for renovation, paint removal, adhesive and sealant scraping, and general surface preparation. Simple to install and replace on compatible scraper handles for professional or DIY tasks.