Wheel and axle replacement set for double cylinder Justrite hand trucks. Includes two speed-rated 16-inch pneumatic wheels with four-ply HD construction, welded steel hubs and dual ball bearings, and plated axle with clips and washers. Wheels are 16-inch x 6-inch. Axle size is 31.75-inch x 0.75-inch.For gas cylinder hand truck models 35034, 35036 and 35038.