Wheel and axle replacement set for double cylinder Justrite hand trucks. Includes two welded 20 in steel wheels with 0.5 in steel spokes and steel hub with dual ball bearings and plated axle with clips and washers. Wheels are 20 in x 1.5 in with black powder-coated finish. Axle size is 28.75 in x 0.625 in For gas cylinder hand truck models 35018 and 35020.