Product details:

Each adjustable weight dumbbell features free weight adjustment from 3- 8-12-17-22lb, the total weight of dumbbell set is 44lb. Suitable for beginners to professional. No more weight plate fallen off during exercise Unique Dial System- One-handed operation design, convenient for fast changing dumbbells' weight during training. Just use a single hand to rotate the handle bar, and adjust to desirable weights when you are training Space Saving- All-in-One design combines, only need 1-set of dumbbell space, you can have 5-sets of dumbbell training experience. Also you could combine all of them in just 1 compact tray system, which saves 80% of your space. Easy to use and store Versatile Dumbbell- With our adjustable dumbbell you can truly get a total body workout like shrugs, lunges, curls and raises; make the exercise funny. Using with dumbbell tray, enjoy the smoothly training process Notice- If you find that the handle can't rotate, try changing the direction