40kg(90lbs) Adjustable Dumbbells:

* Weight Range: 10 to 90 lbs (4.5 to 40 kg) for each dumbbell;

* Lets you rapidly switch from one exercise to the next;

* Combines 17 sets of weights into one, adjusting the weight is just a matter of twisting the handle;

* Eliminates the need for multiple dumbbells cluttering your workout space.

* Build fat-burning muscle fast. You'll have all the weights you need in one set!

* One of the most space-efficient and flexible strength-training options available.