Built to perform under pressure, this 100×55 red polyurethane wheel with a cast iron core and fixed extra heavy-duty castor is a powerhouse for static-load applications. The polyurethane tread ensures smooth, quiet rolling while resisting wear, chemicals, and abrasion—even on rough surfaces. Its solid cast iron core provides unmatched strength and stability, ideal for high-capacity, continuous-use environments. A fixed configuration delivers straightforward, reliable movement in a single direction—perfect for heavy machinery, industrial carts, and equipment transport in demanding settings.