16-inch no-flat replacement tire for wheelbarrows, utility carts, lawn and garden carts, hand trucks, air compressors and more Solid polyurethane design eliminates the chance of a flat tire; a great replacement for pneumatic air-filled tires Features heavy-duty ball bearings, grease fitting, 5/8-inch axle bore and includes a spacer kit for proper fitting Capable of holding 300 pounds and includes a universal adapter kit and Zerk grease fitting Comes with a 1-year limited warranty