pranovo 2 Set Luggage Suitcase Replacement Wheels Axles 30 Deluxe Repair 5018mm It is 2 sets of luggage replace wheel.( including 2 wheels, 2 axles, 4 washers and 1 wrench.) Soft-ride durometer tire molded over a durable injection molded core rim. Wheel OD: 50mm Wheel wide: 18mm Bearing ID: 6mm