Based on this product's specifications, here are some alternatives and similar models
Anchor plate DMX Angle KK2 300x40x40x2 mm — metal mounting plate
Summary description:
DMX Angle KK2 anchor plate is a metal mounting plate sized 300 x 40 x 40 x 2 mm designed for secure attachment and reinforcement in construction and installation tasks. Its compact rectangular profile and 2 mm thickness provide stable support for connections and anchor points. Suitable for fastening structural elements, brackets and fixtures where a slim, durable plate is required.