If you wish to get an excellent strength workout in the house, however do not have much space, the Bowflex 552 SelectTech Dumbbells are an ideal service. Freshly designed, the ingenious set of 552 SelectTech Dumbbells combines 15 sets of weights into one utilizing a distinct dial system. It's one of the most space-efficient and versatile strength-training choices readily available with its unique and efficient design. With simply the turn of a dial, you can immediately alter your resistance on each dumbbell from 5 pounds all the way up to 52.5 pounds of weight. It changes in 2.5-pound increments (as much as 25 pounds), allowing you to gradually increase your strength without bulking up.