Quantity: 2; Size 10" tall and 3-1/4" wide. Steel hub diameter: 4.5"; Center bore ID: 5/8" diameter hole -Axle Bore Diameter: 5/8" ; Replacement for : Hand trucks, Lawn mowers; Generators, Wheelbarrows, Yard trailers, Wagons, Snow blowers, Air compressors, Wood chippers, Go carts