Axle size is 15.75-inch x 0.5-inch.
Wheel and axle replacement set for single cylinder Justrite hand trucks.Justrite Replacement 8" Semi-Pneumatic Wheels and Axle Set for Gas Cylinder Hand Trucks, Steel, 35372 Includes two 8-inch semi-pneumatic wheels with welded steel hubs and dual ball bearings, and plated axle with clips and washers.75-inch.