Wheel and axle replacement set for single cylinder Justrite hand trucks. Includes two 10.5-inch pneumatic wheels with welded steel hubs and dual ball bearings, and plated axle with clips and washers. Wheels are 10.5-inch x 4-inch. Axle size is 17.75-inch x 0.625-inch.For gas cylinder hand truck models 35002, 35006 and 35016.