Introducing silver cast iron swivel caster wheels with a 4000-pound load capacity, designed for heavy-duty use. Made of high-quality steel and cast iron, these wheels offer durability and longevity, with roller bearings and a hardened raceway for extra strength. These wheels are easy to clean and can withstand temperatures ranging from -50F to 800F, making them ideal for manufacturing and industrial settings. The silver color adds a sleek and professional look to any environment. With a 2-inch wheel width and 5-inch diameter, these caster wheels are a reliable and sturdy choice for your heavy load needs.