Introducing Heavy-Duty Casters, the perfect solution for handling heavy loads of up to 800 pounds. Made of high-quality mixed steel and cast iron, these casters offer strong abrasion resistance, shock absorption, and buffering performance, ensuring a long service life. With 4 swivel and 2 brake casters, they rotate 360 degrees smoothly and quietly, making them ideal for use in a variety of applications. The casters are easily installed and replaced and can be used on any floor condition.