Based on this product's specifications, here are some alternatives and similar models
Rackmount.IT RM-FB-T3 Rack Mounting Bracket
Summary description:
The Rackmount.IT RM-FB-T3 is a professional-grade mounting bracket designed for secure installation of compatible hardware into standard server racks. Finished in a clean white color, this durable accessory ensures optimal organization and stability for your network equipment. It is supplied as a single-piece unit, providing a reliable solution for data centers and server rooms requiring efficient rack space management.