Based on this product's specifications, here are some alternatives and similar models
Bracket angle DMX KS3 60×60×60×2 mm, steel mounting corner
Summary description:
DMX KS3 is a steel angle bracket with dimensions 60×60×60 mm and 2 mm thickness, designed for sturdy corner mounting and structural reinforcement. Suitable for general construction, furniture assembly and equipment mounting where a compact, right-angle support is required. Provides reliable load distribution and straightforward installation using standard fasteners.