Description:Universal: Replacement wheels for A57 travel luggage bags or suitcase. Fit most of the luggage, practical to use.Easy To Install: 4pcs replacement wheels, easy to install without complex fix tool.Wheel Dia: 60mm. Easy installation and wear resistant.Great Accessories: 360 swivel rotating flexible, load bearing, you can use them for a long time.High Quality: The suitcase wheel assembly is made of PP and PET, flexibility and durable.Specification:Material: PP and PETColor: BlackSize Chart:Dia: 6cm/2.36inchTotal Height: 9.8cm/3.86inchPackage Includes:4 Luggage Suitcase WheelsNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping