Are you an active athlete and want to improve your fitness in the comfort of your home? If so, the UFC OCTAGON DUMBBELL 17,5 KG is the right dumbbell for you. Before buying the ideal dumbbell, remember that you cannot change the weight on this one. If you are interested in the weight of the dumbbell for UFC training, it is 17.5 kg. It is made of steel and it has a rubber coating.