4.10/3.50-4" Flat Free Garden Cart Tire Material: PU Foam Color: Black, Blue, Red, Green, ... Grey, Yellow etc. 4.10/3.50-4" Flat Free Garden Cart Tire Tire Material = Solid Polyurethane Rim Type = Steel or ... is one of the most common tires for hand trucks, garden carts, pressure washers, generators, and more. It comes standard with a ...