This Filmtools 5/8" Twin Axle Kit w/ 10" Wheels for Filmtools & Magliner Carts features a 2nd axle and wheel assembly allowing you to increase your payload and operate smoother over rough surfaces. Whether you need to replace some parts of your current cart or preparing it for an upgrade, this kit is for you. We made it easier for you, this kit comes with extruded aluminum axle brackets, a steel axle, two 4-ply pneumatic tires (10" x 3.5"), two inner tubes, two 2-piece steel rims, bearins , and all the installation hardware. Remember, this is mainly designed for senior carts. If you use it on a junior cart, there will be a sligh reduction in steering performance.