Our 4 pieces tire wheel dolly is great for moving cars, boats, planes and more! They are Truly heavy duty, rated at 1,500 lbs. capacity each (6,000 lbs. total capacity for the set of 4), and they"re made from solid diamond plate steel with a tough, protective gray powder coated finish. These deluxe bearing axles will let you roll with much less force than is required with traditional dollies. This set will help your lot for your repairing work, do not hesitate to buy one!