Please check the size in the last picture before purchasing. 4-hole design, suitable for bags, luggage, trolley, with light weight, thermal insulation, moisture proof, flame retardant, practical use, etc. A pair left and right luggage luggage wheels The holes between the suitcases and the wheels may differ slightly due to different production batches. If this is not the case, you have to adjust the holes by digging the holes on the suitcase yourself. Good load capacity, easy to install and remove, Weight: 0.26 Kilograms, Manufacturer: BQLZR