4.10/3.50-4" Flat Free Hand Truck Tire Material: PU Foam Color: Black, Blue, Red, Green, Grey, ... . 4.10/3.50-4" Flat Free Hand Truck Tire Tire Material = Solid Polyurethane Rim Type = Steel or PlasticRim Diameter = 4" Outside Diameter ... - 4" tire is one of the most common tires for hand trucks, garden carts, pressure washers, generators, and more. It comes ...