TruePower 10" 4.10/3.50-7 PU Flat Free Tire on Wheel, 2.25" Offset Hub, Both 5/8" & 3/4" Bearings and Spacers 4.10/3.50-7" Tire. 10" Tire Diameter. 2-1/4" Tire width. Flat Free Tire made of solid, polyurethane foam. Non-marking. 2.25" Offset Hub. 5/8" Ball Bearings with 3/4" Spare Ball Bearings, Includes Grease Zerk Perfect for hand trucks, brick carts, generators, pressure washers, garden carts and more. Also works great in both rigid and swivel casters. 300 lb load capacity. Not for highway use.