The Bowflex SelectTech 552 Adjustable Dumbbells are a space-saving set of weights that let you adjust the weight from 5 to 52.5 pounds per dumbbell. Instead of buying a bunch of different dumbbells, you just turn a dial to change the weight, making them perfect for home workouts. They’re super easy to use and great for a variety of exercises, from light toning to heavy lifting. Basically, they give you all the flexibility of a full dumbbell rack without taking up the space!