Introducing a heavy-duty caster that is made from high-quality mixed steel with a strong cast iron hub, bright galvanized steel wheels, and zinc-plated finished yoke. With a load capacity of 1250 pounds and top plate dimensions of 4"x 4-1/2", the caster is equipped with ¾” roller bearing and ½" ID spanner bushing with Zerk Axle and Nylon Nut, ensuring smooth and quiet rotation of 360 degrees. The Heavy Duty Steel wheels have strong abrasion resistance and can withstand temperatures from -50F to 800F, making them versatile and long-lasting. These casters can be used in a wide range of applications, including pallet jacks, handling trucks, mobile storage carts, material transition carts, trolleys, platform trucks, freight trucks, furniture, cargo, containers, trash bins, workbenches, and more.