UNIVERSAL FIT: This set of 4 replacement wheels features 3 different size axles to fit a variety of luggage and carts with outer diameters of 2inch/50mm, wheels house wider than 0.8inch/21mm. 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 18mm width These durable replacement wheels make getting your luggage from point A to B a breeze. Featuring a smooth-rolling PU bearing construction, these wheels glide effortlessly over all surfaces. The included multi-size axles and hacksaw make installation simple on a variety of luggage and carts. Whether you need to replace worn wheels or want to upgrade older bags, this 4-pack of wheels does the job with quality and convenience. At just under 1/2 inch wide, they fit most standard luggage while supporting weight with sturdiness. With dirt-resistant rolling and years of use ahead, these wheels are a smart investment for any traveler looking to lighten the load. Installation instructions included.