Based on this product's specifications, here are some alternatives and similar models
Shelf holder GTV muciņa set of 10, plastic shelf support for furniture
Summary description:
Set of 10 GTV muciņa shelf holders designed as plastic supports for mounting adjustable shelves in furniture. Each small cup-style support fits standard shelf holes and secures shelves in cabinets, bookcases and wardrobes. Suitable for DIY repairs and furniture assembly, providing simple, reliable shelf positioning and load distribution.