The heavy-duty Auto Dolly is designed to make it easy for a person to move a vehicle in any direction. Place an Auto Dolly under each tire of the vehicle, making the vehicle a rolling cart that will now roll in any direction with ease. The large roller bearing casters make it simple for anyone to move the vehicle in any direction. Works with cars, trucks, aircraft, boats and trailers, ATVs, riding mowers and more. Each Auto Dolly has a 2500-lb. capacity. Set of 2; 5,000-lb. total capacity for the pair.