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. If you are new in weight lifting, you might even be discouraged to continue your training because of the difficulty of adjusting the plates.
Manually removing the weights and fitting them to the handle requires a lot of effort. - (Read more)