Based on this product's specifications, here are some alternatives and similar models
Internal pole joiner B-TECH SYSTEM 2 for Ø50mm poles, steel zinc finish, 30×40×200mm
Summary description:
Internal pole joiner B-TECH SYSTEM 2 designed for joining Ø50 mm poles. Made of steel with a zinc finish, the joiner measures 30 mm width, 40 mm depth and 200 mm height. It provides a concealed internal connection for modular pole systems, ensuring alignment and structural continuity for shelving, display frames or AV stands.