Based on this product's specifications, here are some alternatives and similar models
Mounting Angle Bracket Baks CMP41H41/2,2MC — model 851122
Summary description:
Baks CMP41H41/2,2MC is a mounting angle bracket (model 851122) designed for structural and installation tasks. Supplied as a metal corner component, it provides a fixed joining point for frames, supports, or equipment mounts. Suitable for construction, electrical enclosures, shelving or machinery fastening where a durable right-angle connection is required.