Selling a matching pair of Marathon Flat-Free Hand Truck / Utility Cart Tires.These are solid polyurethane foam wheels that never need air, meaning you will never have to worry about a flat tire right before a big project.Specifications:Quantity: 2 Tires (Pair)Tire Size: 4.10/3.50-4" (10.3" total outer diameter)Hub Size: 2.25" Offset HubBearing Size: 5/8" Ball Bearings (includes grease fitting)Load Rating: 300 lbs per tireCondition: Brand new, never mounted on an axle. Still has the original center labels.Compatibility:Fits most standard hand trucks, dollies, pressure washers, and utility carts that use 10" to 11" wheels with a 5/8" axle.