PLEASE Confirm the size of this luggage wheel on our pictures 3 & 4 and Measure your luggage wheels before purchasing!! Diameter of this luggage wheel is 50mm / 1.97", Rim Width is 18mm / 0.71", Total Wheel Width is 21mm / 0.83" and Center Bearing internal diameter is 6mm / 0.23". Suitable for most of single wheel rolling luggages, package comes with 33mm / 1.3" and 36mm / 1.42" axles and matched washers to meet different axles length replacement needs. Each package including 4 x Black Rubber Wheels, 4 x 33MM Axles, 4 x 36MM Axles, 8 x Axles Screws, 8 x Washers, 2 x Wrenches. Just replace the old wheels to extend the service life of your suitcase, this set of luggage replacement wheels can provide smooth and mute rolling, enjoy your travel time better!