Since they come in 5 pound increments, you can adjust your weights gradually as you progress with your weight lifting program.
The whole package also comes with a storage tray for easier and more organized storing.
Best adjustable dumbbells
Aside from your local fitness store, online shops are very convenient ways to get your dumbbells.
The Weider Powerswitch 100 pound adjustable dumbbells can be adjusted from 10 pounds to 50 pounds depending on your desired weight load.