Quantity: 2; Size 10″ tall and 3-1/4″ wide. Steel hub diameter: 4.5″. Center bore ID: 5/8″ diameter hole on Double ball bearing ( pre-mounted or build in ) on a solid steel Flat free rubber tire 4.10/3.5-4. ( rubber colors: BLACK or ORANGE , randomly pick up ) 300 LBS capacity each Durable, lightweight 100% flat-free, solid polyurethane tire, perform like air tire but never go flat
Warning, Not for highway use. Always replace both air tires with non -flat tires, never use a non-flat tire with an air tire on the same hand truck . flat free, If the tires are set on the maximum load for a long time, they will leave a flat spot on the tires, Please make sure you move the wheels time to time so they don??t warp into a flat spot on the tire. Beside that great! so prefer for a light load for long period time application.