Introducing a heavy-duty steel caster, made of high-quality mixed steel with a strong cast iron hub and galvanized steel wheels. These casters have a load capacity of up to 1250 pounds and come equipped with roller bearings, spanner bushings, Zerk axles, and nylon nuts, ensuring smooth and quiet rotation even on rough surfaces. The humanized brake design ensures flexible and quiet movement, making these casters a versatile choice for indoor and outdoor use, such as handling trucks, material transition carts, workbenches, and more.