The Pro Form Weider Select a Weight dumbbells are perfect for anyone looking to get a workout in without requiring lots of space. They can be set at 10, 20, 30, 40, or 50 lbs each, and the easy to use selector system makes finding the right weight simple. Plus their shape prevents them from rolling. If you're in the market to get fit, but don't have a lot of room for a big weight set, be sure to check out the Pro Form Weider Dumbbell pair.