Based on this product's specifications, here are some alternatives and similar models
Legrand 330260 Single Holder 45mm for 80mm Trunking Cover
Summary description:
The Legrand 330260 is a single holder designed for 45mm width applications, specifically compatible with 80mm trunking covers. This component is essential for secure cable management and ensuring the stability of trunking systems in electrical installations. Manufactured by Legrand, it provides a reliable solution for organizing and protecting wiring infrastructure in commercial and residential environments.