Based on this product's specifications, here are some alternatives and similar models
Shelf Bracket STANLEY STST82612-1 for Shelves, Load Capacity 22.5 kg
Summary description:
STANLEY shelf bracket STST82612-1 designed for supporting wall-mounted or cabinet shelves with a specified load capacity of 22.5 kg. Metal bracket provides stable shelf support and mounting points for screws; suitable for domestic storage, workshops, garages and office shelving. Compact design enables discreet installation and practical organisation of tools, books or kitchen items.