The image shows a swivel-plate caster wheel with a dark, heavy-duty cast iron or steel wheel and a zinc-plated metal mounting bracket.You can find similar caster wheels locally at hardware suppliers and industrial shops in Nairobi's Industrial Area (such as along Funzi Road) or online through Kenyan retailers like Ali Glaziers Ltd or Bake Wave Ltd if you need heat-resistant or standard trolley castors.If you'd like, let me know:What size you need (e.g., 2-inch, 3-inch, or 4-inch)