Pneumatic 16-inch replacement wheel for double cylinder Justrite hand trucks. Features speed-rated four-ply HD construction and a welded steel hub with dual ball bearings, sized for 0.75-inch axle (not included). Size is 16-inch x 6-inch.For hand truck models 35010, 35034, 35036, 35038, 35040, 35044, 35050, and 35052.