EASY TO INSTALL: Open the luggage swivel casters wheel case, unzip the zipper, find the screw location, unscrew the screw, then screw on the new wheel.WITH SCREWS: The plastic swivel wheel luggage mute wheel equipped with multiple screws for installation, bringing convenience to you.EASY STORAGE: The suitcase wheels with fashionable appearance, not easy to damage, will not take up too much space, firm installation, easy storage.EXQUISITE WORKMANSHIP: The swivel luggage suitcase caster wheels are quiet, wearable, exquisite workmanship, important luggage repair accessories, practical.QUALITY MATERIAL: The luggage casters are made of high quality PP+PET materials, sturdy and durable. Package List: 2 x Suitcase Caster 8 x Screws Specification: Item Type: Suitcase Caster Product Material: PP + PET Color: As Pictures Shown Weight: Approx. 309g/10.9oz Total Height: Approx. 9cm/3.5in Wheel Diameter: Approx. 6cm/2.4in Product Style: A Pair of A19 Mute Double Row Wheels Note: Please confirm that the grooves of the wheel base are consistent with the dimensions of our products before purchase, and the grooves and dimensions of the products can be used only if they are consistent;There will be some deviation in the screw holes that are not original, so the upper side can be installed first, but do not tighten it, slightly move the wheel base to the other holes, and then tighten the screws after the four are on;