Built for serious strength, this 150×55 red polyurethane wheel with a cast iron core and fixed extra heavy-duty castor is designed to keep heavy loads moving in a straight, steady line. The high-performance polyurethane tread cushions the ride while resisting wear, chemicals, and abrasion, even under constant use. Its solid cast iron core delivers unmatched load-bearing capacity and long-term durability. Ideal for demanding industrial settings, this fixed castor is the go-to choice for equipment that needs strength, stability, and no-nonsense directional control.