Kettlebells are a useful exercise tool for the whole body. But usually one needs more than just one Kettlebell for their workout. What if you could buy just one Kettlebell instead of 5 Kettlebells of different weights? Well, KingsBox Quick Fit Kettlebell is 5 different Kettlebells in one. With a simple turn of the handle, you choose the weight of the Kettlebell. It is a perfect solution for small studios and home gyms where space is a dear commodity.You can choose between 5 different weights: 9kg, 11,3kg, 13,6kg, 15,9kg. 18,2kg.