- The FitPaddy 3-in-1 set turns into a dumbbell, barbell or kettlebell - all your lifts in one- It's adjustable up to 15 kg with 1.5 kg and 2.5 kg plates, means you can ramp up gradually- Keep a firm grip even when you're sweating with the non-slip handles- The sponge padding on the bar adds comfort during presses and curls