This 5" wheel is a heavy-duty caster made with high-quality mixed steel and strong cast iron hub. It has strong abrasion resistance and can be used in a wide range of temperatures, making it perfect for indoor and outdoor use. With a top plate of 4"x 4-1/2" and a load-bearing capacity of up to 1000 lbs, it can be used on handling trucks, storage carts, furniture, and more. It rotates smoothly and quietly with its strong roller bearing and is easy to install and replace. It comes with a 90-day free return and refund policy and replacement service for its axle & nuts, yoke, and wheel.