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