UNIVERSAL FIT: This set of 8 replacement wheels features 2 different size axles and 6mm to 8mm shaft spacers to fit a variety of luggage and carts with outer diameters of 2inch/50mm, wheels house wider than 0.6inch/16mm. SMOOTH ROLLING: Constructed with sturdy polyurethane tires and precision bearings, these wheels provide smooth rolling over various surfaces up to 100 lbs capacity per wheel. EASY INSTALLATION: Installation is quick and simple with the coming tools and parts- remove old wheels make take a little time so electric drill or saw was recommend,then slide on new wheels, and use suitable axle,spacers and lock the screws. LONG-LASTING DURABILITY: Reinforced PU rubber construction and corrosion-resistant metal axles and bearings ensure these wheels withstand regular use and handling. MULTIPLE APPLICATIONS: In addition to luggage suitcase, these wheels can be used for shopping carts, trolley bag,in-line roller skates,wagons, dollies, and more - with measurements of 50mm diameter x 16mm bearings width This replacement set of 8 wheels and axles is a must-have for keeping luggage rolling smoothly. Featuring sturdy PU rubber construction, these wheels are designed to withstand years of travel while protecting your bags from scratches. The 360 degree spinning ability reduces stress on shoulders when navigating busy airports or train stations. Installation is quick and easy with the included axles fitting most standard suitcases. Lightweight and compact, this set fits easily into any carry-on. Whether it's time for an overseas adventure or a weekend getaway, these caster wheels will have bags gliding effortlessly from plane to car to hotel.