Based on this product's specifications, here are some alternatives and similar models
Bracket (angle) DMX KB2 120×80×35×4 mm — narrow beam support
Summary description:
Metal angle bracket DMX KB2, dimensions 120×80×35×4 mm, designed for narrow beam or joist connections. Provides rigid right-angle support for joining structural elements, frames, or shelving. Suitable for wood and metal constructions, mounting with screws or bolts. Practical for repairs, assemblies and reinforcing joints where compact, sturdy connection is needed.