Engineered to deliver a powerful strength-training workout in the comfort of your own home gym, the NordicTrack 55 Lb. Select-a-Weight adjustable dumbbell set provides top-notch performance in a space-savvy package. With an iFIT membership, you can use your phone, tablet, or Tv to follow expert iFIT Trainers in worldwide outdoor workouts and studio workouts. iFIT Trainers can help you master a huge variety of dumbbell exercises, like bicep curls, shoulder presses, chest presses, tricep kickbacks, dumbbell rows, and more. The NordicTrack 55 Lb. Select-a-Weight Dumbbells go from 10 to 55 lbs with 15 different weight increments, including: 10, 12.5, 15, 20, 22.5, 25, 30, 32.5, 35, 40, 42.5, 45, 50, 52.5, and 55. With the Adjustable Dumbbell Set, you ll be able to target nearly every muscle group, from your lower body to upper body, and you ll be able to choose the weight of your choice.