Super Ma Luggage Replacement Wheel Suitcase Detachable Wheel Repair 152 Packing list :2 pcs wheel(015 ,Couple) as photo and come with Screw Material of Item: Plastic, Detachable Wheel. Size of item :As the second photo show Product features: wear resistant ,Suitable for the use of ordinary luggage box ,And need you have a strong ability in DIY Please see the attached image for the approx. wheel widths for each diameter.