The Forbes Industries 1639-R caster features an 8" MOR grey wheel with a durable cast aluminum hub, designed for robust performance and stability. This rigid caster provides reliable support and smooth mobility, making it ideal for various applications in industrial and commercial settings. Its sturdy construction ensures longevity, while the grey wheel offers a sleek appearance and minimizes floor damage. Perfect for heavy-duty use, the Forbes Industries 1639-R is an essential component for enhancing the efficiency of your equipment and furniture.