These heavy-duty casters are made of high-quality cast iron and galvanized steel, with a load capacity of 4800 pounds for a set of four. They have strong abrasion resistance, shock absorption, and are easy to use. The casters have a wide range of uses, such as pallet trucks, inventory carts, and workbenches. They come with a top plate mounting type, 2-inch wheel width, and a total height of 7-1/2 inches. Customer satisfaction is guaranteed with prompt problem-solving if any issues arise.