APPLICATION - Replacement wheels for suitcases, trolleys, or roller skates. When old wheels are damaged, our replacement wheels are a more economical solution to extend the life of your luggage because you don't need to buy a new travel bag. MATERIAL - Rubber and metal. The wheels are made of high-quality rubber, so they can withstand a large weight. With more stable, wear-resistant bearings, the wheels roll smoothly and quietly to work well in the trunk. INSTALLATION - Easy to install. First, use a hacksaw or other device to remove the bar from the original wheel, then install it with the included replacement casters. Advantage: Premium quality replacement wheels. Durable, quiet, load-bearing, double bearing, flexible rotation. Installation: Easy to install, without professional instructions, very convenient. And pay attention to the tightness of the wheel when installing, so that the wheels can roll better. Material: Rubber and steel. Cleaning: The replacement suitcase wheels are