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