Based on this product's specifications, here are some alternatives and similar models
Baks angle connector for cable ladder LKDCH50N H50, 2 mm, model 451101
Summary description:
Angle connector Baks LKDCH50N H50 (model 451101) for cable ladder systems, designed with a 2 mm material thickness. Used to create rigid 90° connections between ladder sections, it ensures structural continuity and secure routing of cable trays in electrical installations, industrial and commercial cable management applications.