pranovo 2 Set Luggage Suitcase Replacement Wheels Axles Deluxe Repair OD 40mm #8 It is 2 sets of luggage replace wheel.( including 2 wheels, 2 axles, 4 washers and 2 wrenches.) Soft-ride durometer tire molded over a durable injection molded core rim. Wheel OD: 40mm Wheel wide: 18mm Bearing ID: 6mm