STOZM Dumbbell Set is a portable kit that includes 4x5 kg, 4x2.5 kg, 6x1.25 kg, 6x0.5 kg weight plates, 2x13.8 inch dumbbell handles, 1x59.6 inch barbell, 1x connector, 6x collars, and a wheeled carrying case with handles. Our cast iron weight plates last for a lifetime without rust and corrosion. The new collars feature easy on / easy off knobs that work smoothly on the dumbbell handles while offering a more consistent, locked-on hold even with the most intense powerlifting routines. The wheeled plastic case is molded on the inside to the shape of each component to keep everything in place when traveling. Our dumbbell set is easy to use and does not require much space for storage – suitable for home gyms and fitness enthusiasts of all levels.