Shepherd Hardware 9653 12-Inch Hand Truck Replacement Wheel, Solid Rubber, 2-5/8-Inch Ribbed Tread, 3/4-Inch Bore Centered Axle 3-3/16-inch polypropolene centered hub with ball bearings and 3/4-inch bore 2-5/8-inch wide X 12-inch diameter solid rubber tire with ribbed tread 450-lb load capacity Best suited for hand trucks, pressure washers, leaf blowers, air compressors, generators, garden and nursery carts, and much more Offers bounce and cushioned ride comparable to pneumatic wheels while maintaining the durability with a solid rubber construction