Heavy-Duty Trailer Dolly, 1000lbs Tongue Weight Capacity, Carbon Steel Trailer Mover with 2 inch Ball, 14 inch Pneumatic Tires, Portable Tow Dolly for Moving RV Trailer 2 in Hitch Ball 14 in Pneumatic Tires Universal Wheel Sturdy Construction Excellent Details Widely Used Item Model Number: QYC1000-B,Material: Carbon Steel,Wheel Diameter: 14 in / 355.6 mm,Max. Tongue Weight Capacity: 1000 lbs / 454 kg,Ball Diameter: 2 in / 50.8 mm